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Oval|Lab Grown|IGI

2.56ct D SI1 Oval Lab Grown Diamond

EX • D/SI1 • IGI LG698544779

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG698544779

Diamond specifications and retailer prices

From $916 USD
As of October 28, 2026
Save $1,453 USD (61%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $5,800 USD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 2.56ct lab-grown oval diamond

This 2.56ct lab-grown oval sits in the two to three carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG698544779 or 698544779. Listed at 4 retailers as of October 27, 2026, with a 159% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

2.56
Carat
D
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG698544779
Dimensions10.95 × 7.66 × 4.78 mm
L/W Ratio1.43
Girdle conditionFaceted
Culet sizePointed
Top View
10.95 mm7.66 mm2.56 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG698544779
Side View
Table 61.0%Crown 35.5°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 62.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: $5,800 USD|Low: $916 USD|High: $6,380 USD|Avg: $2,694 USD|-9.1%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
October 20, 2026
Retailer 2$916 USD
Retailer 4$1,210 USD
Retailer 3$2,369 USD
Do Amore Diamonds$5,800 USD

4 data points across 4 retailers

4 retailers$916 USD to $2,369 USD

B+
Cheapest Retailer
-
$916 USD
B
Retailer 2
-
$1,210 USD
View
B
Retailer 3
-
$2,369 USD
CA$3,290 CAD
View
Most Expensive
B
Do Amore Diamonds
16-500095802 · Oct 29
$5,800 USD
View
Price under review
3 more retailers have this diamond
Prices start from $916 USDSave up to $1,453 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.

B+
2.56ct Oval
$916 USD