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Oval|Lab Grown|IGI

1.56ct D IF Oval Lab Grown Diamond

ID • D/IF • IGI LG643452183

Certificate IGI LG643452183

Diamond specifications and retailer prices

From $307 USD
Save $4,833 USD (94%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: $5,140 USD at Brilliant Earth
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, with prices from $307 to $5,140 at Brilliant Earth, a $4,833 spread on the same certified stone. 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
Color
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

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0-100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Sep 28
Current: $5,140 USD|Low: $244 USD|High: $5,140 USD|Avg: $1,218 USD
Brilliant Earth
Retailer 2
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Retailer 26
October 1, 2026
Retailer 6$307 USD
Retailer 22$343 USD
Retailer 26$356 USD
Retailer 9$376 USD
Retailer 20$440 USD
Retailer 18$448 USD
Retailer 12$575 USD
Retailer 3$609 USD
Retailer 11$629 USD
Retailer 5$641 USD
Retailer 21$669 USD
Retailer 10$858 USD
Retailer 24$883 USD
Retailer 14$1,068 USD
Retailer 8$1,072 USD
Retailer 25$1,224 USD
Retailer 16$1,270 USD
Retailer 4$1,279 USD
Retailer 17$1,535 USD
Retailer 19$1,539 USD
Retailer 2$1,543 USD
Retailer 7$1,574 USD
Retailer 15$1,655 USD
Retailer 13$1,938 USD
Retailer 23$2,430 USD
Brilliant Earth$5,140 USD

37 data points across 26 retailers

27 retailers$307 USD to $5,140 USD

A
Cheapest Retailer
-
$307 USD
A
Retailer 2
-
$343 USD
View
A
Retailer 3
-
$356 USD
View
A
Retailer 4
-
$376 USD
View
B+
Retailer 5
-
$440 USD
View
A
Retailer 6
-
$448 USD
HK$3,500 HKD
View
A
Retailer 7
-
$575 USD
View
A
Retailer 8
-
$609 USD
€580 EUR
View
A
Retailer 9
-
$629 USD
ZAR 10,167 ZAR
View
Price last confirmed 20 days ago
A
Retailer 10
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$641 USD
View
A
Retailer 11
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$656 USD
£517 GBP
View
Price last confirmed 21 days ago
A
Retailer 12
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$670 USD
£527 GBP
View
A
Retailer 13
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$858 USD
View
A
Retailer 14
-
$883 USD
A$1,359 AUD
View
B+
Retailer 15
-
$1,068 USD
View
B+
Retailer 16
-
$1,072 USD
View
B+
Retailer 17
-
$1,224 USD
View
B+
Retailer 18
-
$1,270 USD
View
B+
Retailer 19
-
$1,279 USD
SGD 1,729 SGD
View
B+
Retailer 20
-
$1,535 USD
View
B+
Retailer 21
-
$1,543 USD
£1,215 GBP
View
B+
Retailer 22
-
$1,574 USD
View
B+
Retailer 23
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$1,689 USD
View
B
Retailer 24
-
$1,938 USD
A$2,981 AUD
View
B
Retailer 25
-
$2,430 USD
View
B
Retailer 26
-
$2,438 USD
View
Price last confirmed 80 days ago
Most Expensive
B
Brilliant Earth
11464909A · Oct 1
$5,140 USD
View
26 more retailers have this diamond
Prices start from $307 USDSave up to $4,833 USD

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.

A
1.56ct Oval
$307 USD