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Oval|Lab Grown|IGI

1.56ct D IF Oval Lab Grown Diamond

ID • D/IF • IGI LG720508172

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG720508172

Diamond specifications and retailer prices

From €305 EUR
$341 USD
As of November 1, 2026
Save €2,326 EUR (88%) vs most expensive(unlock to see where)
30 retailers carry this diamond
Most expensive: €2,632 EUR at Brilliant Earth · As of October 31, 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 LG720508172 or 720508172. Listed at 30 retailers as of October 31, 2026, with prices from €305 to €2,632, a €2,326 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 angle35.4°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG720508172
Dimensions9.42 × 6.51 × 4.08 mm
L/W Ratio1.45
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
9.42 mm6.51 mm1.56 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG720508172
Side View
Table 60.0%Crown 35.4°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.7%

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: Nov 1
Current: €2,632 EUR|Low: €288 EUR|High: €4,458 EUR|Avg: €998 EUR|-41.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
November 2, 2026
Retailer 16€305 EUR
Retailer 10€378 EUR
Retailer 3€455 EUR
Retailer 19€461 EUR
Retailer 20€526 EUR
Retailer 13€552 EUR
Retailer 7€555 EUR
Retailer 2€562 EUR
Retailer 8€633 EUR
Retailer 9€719 EUR
Retailer 18€745 EUR
Retailer 4€953 EUR
Retailer 21€985 EUR
Retailer 11€1,074 EUR
Retailer 12€1,082 EUR
Retailer 6€1,233 EUR
Retailer 17€1,291 EUR
Retailer 5€1,322 EUR
Retailer 14€1,415 EUR
Retailer 15€1,722 EUR
Brilliant Earth€2,632 EUR

37 data points across 21 retailers

30 retailers€305 EUR to €2,632 EUR

Retailer 1
-
€275 EUR
$307 USD
Price last confirmed 34 days ago
Retailer 2
-
€300 EUR
$335 USD
View
Price last confirmed 19 days ago
A
Retailer 3
-
€305 EUR
$341 USD
View
Final sale: no returns
Retailer 4
-
€319 EUR
$356 USD
View
Price last confirmed 38 days ago
A
Retailer 5
-
€320 EUR
$358 USD
View
Retailer 6
-
€320 EUR
$358 USD
View
Price last confirmed 23 days ago
Retailer 7
-
€320 EUR
$358 USD
View
Price last confirmed 30 days ago
Retailer 8
-
€337 EUR
$376 USD
View
Price last confirmed 33 days ago
A
Retailer 9
-
€378 EUR
HK$3,300 HKD
View
A
Retailer 10
-
€455 EUR
$508 USD
View
A
Retailer 11
-
€461 EUR
$515 USD
View
A
Retailer 12
-
€526 EUR
View
A
Retailer 13
-
€552 EUR
ZAR 9,971 ZAR
View
A
Retailer 14
-
€555 EUR
$620 USD
View
A
Retailer 15
-
€562 EUR
£494 GBP
View
A
Retailer 16
-
€633 EUR
A$1,088 AUD
View
A
Retailer 17
-
€719 EUR
$803 USD
View
A
Retailer 18
-
€745 EUR
A$1,281 AUD
View
B+
Retailer 19
-
€953 EUR
$1,065 USD
View
B+
Retailer 20
-
€985 EUR
$1,100 USD
View
Retailer 21
-
€1,030 EUR
$1,151 USD
View
Price last confirmed 23 days ago
B+
Retailer 22
-
€1,074 EUR
$1,200 USD
View
B+
Retailer 23
-
€1,082 EUR
SGD 1,634 SGD
View
Retailer 24
-
€1,096 EUR
$1,224 USD
View
Price last confirmed 32 days ago
B+
Retailer 25
-
€1,233 EUR
$1,377 USD
View
B+
Retailer 26
-
€1,291 EUR
£1,136 GBP
View
B+
Retailer 27
-
€1,322 EUR
$1,477 USD
View
B+
Retailer 28
-
€1,415 EUR
$1,581 USD
View
B+
Retailer 29
-
€1,722 EUR
A$2,959 AUD
View
Most Expensive
B
Brilliant Earth
15240620A · Oct 31
€2,632 EUR
$2,940 USD
View
29 more retailers have this diamond
Prices start from €305 EURSave up to €2,326 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
€305 EUR