Oval|Lab Grown|IGI

1.56ct D IF Oval Lab Grown Diamond

ID • D/IF • IGI LG799653432

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG799653432

Diamond specifications and retailer prices

From $301 USD
As of October 26, 2026
Save $4,679 USD (94%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $4,980 USD at Brilliant Earth · As of October 28, 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 LG799653432 or 799653432. Listed at 20 retailers as of October 26, 2026, with prices from $301 to $4,980, a $4,679 spread on the same certified stone. Brilliant Earth lists it at $4,980. 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 angle35.4°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799653432
Dimensions9.15 × 6.51 × 4.08 mm
L/W Ratio1.41
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
9.15 mm6.51 mm1.56 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG799653432
Side View
Table 59.0%Crown 35.4°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 62.7%

Caratlytics Score

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A+
Exceptional
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 26
Current: $4,980 USD|Low: $301 USD|High: $4,980 USD|Avg: $1,008 USD
Brilliant Earth
Retailer 2
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Retailer 20
October 29, 2026
Retailer 9$301 USD
Retailer 7$336 USD
Retailer 3$348 USD
Retailer 13$372 USD
Retailer 5$373 USD
Retailer 8$410 USD
Retailer 17$498 USD
Retailer 20$530 USD
Retailer 14$634 USD
Retailer 16$640 USD
Retailer 2$659 USD
Retailer 11$662 USD
Retailer 15$868 USD
Retailer 4$1,147 USD
Retailer 19$1,186 USD
Retailer 18$1,197 USD
Retailer 12$1,347 USD
Retailer 10$1,448 USD
Retailer 6$1,499 USD
Brilliant Earth$4,980 USD

21 data points across 20 retailers

20 retailers$301 USD to $4,980 USD

A+
Cheapest Retailer
-
$301 USD
A
Retailer 2
-
$336 USD
View
Final sale: no returns
A
Retailer 3
-
$348 USD
View
A
Retailer 4
-
$372 USD
View
A
Retailer 5
-
$373 USD
View
A
Retailer 6
-
$410 USD
HK$3,200 HKD
View
A
Retailer 7
-
$498 USD
View
A
Retailer 8
-
$530 USD
View
A
Retailer 9
-
$634 USD
View
A
Retailer 10
-
$640 USD
ZAR 10,336 ZAR
View
A
Retailer 11
-
$659 USD
£519 GBP
View
A
Retailer 12
-
$868 USD
A$1,335 AUD
View
B+
Retailer 13
-
$1,147 USD
View
B+
Retailer 14
-
$1,186 USD
SGD 1,603 SGD
View
B+
Retailer 15
-
$1,197 USD
View
B+
Retailer 16
-
$1,347 USD
View
B+
Retailer 17
-
$1,448 USD
£1,140 GBP
View
B+
Retailer 18
-
$1,499 USD
£1,180 GBP
View
B
Retailer 19
-
$3,375 USD
View
Price last confirmed 86 days ago
Most Expensive
B
Brilliant Earth
19900643A · Oct 28
$4,980 USD
View
19 more retailers have this diamond
Prices start from $301 USDSave up to $4,679 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. Return terms as we hold them. Check the retailer's own returns page before you buy.

A+
1.56ct Oval
$301 USD