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Oval|Lab Grown|IGI

1.56ct D IF Oval Lab Grown Diamond

ID • D/IF • IGI LG643452183

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG643452183

Diamond specifications and retailer prices

From €259 EUR
$289 USD
As of October 29, 2026
Save €2,373 EUR (90%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: €2,632 EUR at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.56ct lab-grown oval diamond

This 1.56ct lab-grown oval sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG643452183 or 643452183. Listed at 27 retailers as of October 29, 2026, with prices from €259 to €2,632, a €2,373 spread on the same certified stone. Brilliant Earth lists it at €2,632. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.56
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle41.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG643452183
Dimensions9.47 × 6.66 × 4.11 mm
L/W Ratio1.42
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
9.47 mm6.66 mm1.56 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG643452183
Side View
Table 58.0%Crown 34.5°Girdle: THN-MEDPavilion 41.4°Culet: NoneDepth 61.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: €2,632 EUR|Low: €248 EUR|High: €4,458 EUR|Avg: €1,002 EUR|-41.0%
Brilliant Earth
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October 31, 2026
Retailer 3€259 EUR
Retailer 2€288 EUR
Retailer 26€300 EUR
Retailer 5€320 EUR
Retailer 15€378 EUR
Retailer 7€455 EUR
Retailer 24€456 EUR
Retailer 25€526 EUR
Retailer 23€551 EUR
Retailer 11€555 EUR
Retailer 20€567 EUR
Retailer 12€627 EUR
Retailer 14€719 EUR
Retailer 22€745 EUR
Retailer 8€953 EUR
Retailer 6€985 EUR
Retailer 4€1,030 EUR
Retailer 16€1,074 EUR
Retailer 17€1,082 EUR
Retailer 10€1,233 EUR
Retailer 21€1,291 EUR
Retailer 9€1,322 EUR
Retailer 18€1,415 EUR
Retailer 13€1,722 EUR
Retailer 19€2,175 EUR
Brilliant Earth€2,632 EUR

34 data points across 26 retailers

27 retailers€259 EUR to €2,632 EUR

A
Cheapest Retailer
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€259 EUR
$289 USD
A
Retailer 2
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€288 EUR
$322 USD
View
Final sale: no returns
A
Retailer 3
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€300 EUR
$335 USD
View
A
Retailer 4
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€320 EUR
$358 USD
View
A
Retailer 5
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€378 EUR
HK$3,300 HKD
View
A
Retailer 6
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€455 EUR
$508 USD
View
A
Retailer 7
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€456 EUR
$510 USD
View
A
Retailer 8
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€526 EUR
View
A
Retailer 9
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€551 EUR
ZAR 9,936 ZAR
View
A
Retailer 10
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€555 EUR
$620 USD
View
A
Retailer 11
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€567 EUR
£498 GBP
View
A
Retailer 12
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€627 EUR
A$1,078 AUD
View
A
Retailer 13
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€719 EUR
$803 USD
View
A
Retailer 14
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€745 EUR
A$1,281 AUD
View
B+
Retailer 15
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€953 EUR
$1,065 USD
View
B+
Retailer 16
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€985 EUR
$1,100 USD
View
B+
Retailer 17
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€1,030 EUR
$1,151 USD
View
B+
Retailer 18
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€1,074 EUR
$1,200 USD
View
B+
Retailer 19
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€1,082 EUR
SGD 1,634 SGD
View
B+
Retailer 20
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€1,233 EUR
$1,377 USD
View
B+
Retailer 21
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€1,291 EUR
£1,136 GBP
View
B+
Retailer 22
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€1,322 EUR
$1,477 USD
View
B+
Retailer 23
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€1,415 EUR
$1,581 USD
View
B+
Retailer 24
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€1,722 EUR
A$2,959 AUD
View
Retailer 25
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€2,175 EUR
$2,430 USD
View
Price last confirmed 33 days ago
Retailer 26
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€2,182 EUR
$2,438 USD
View
Price last confirmed 111 days ago
Most Expensive
B
Brilliant Earth
11464909A · Oct 30
€2,632 EUR
$2,940 USD
View
26 more retailers have this diamond
Prices start from €259 EURSave up to €2,373 EUR

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.56ct Oval
€259 EUR