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Oval|Lab Grown|IGI

2.51ct F SI1 Oval Lab Grown Diamond

VG • F/SI1 • IGI LG722510858

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG722510858

Diamond specifications and retailer prices

From $399 SGD
$312 USD
As of November 1, 2026
Save $2,388 SGD (86%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $2,787 SGD at Brilliant Earth · As of November 1, 2026
View at Brilliant Earth

About this 2.51ct lab-grown oval diamond

This 2.51ct lab-grown oval sits in the two to three carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG722510858 or 722510858. Listed at 17 retailers as of November 1, 2026, with prices from $399 to $2,787, a $2,388 spread on the same certified stone. Brilliant Earth lists it at $2,787. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

2.51
Carat
F
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle34.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG722510858
Dimensions11.59 × 7.67 × 4.19 mm
L/W Ratio1.51
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.59 mm7.67 mm2.51 ctF / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG722510858
Side View
Table 58.0%Crown 33.9°Girdle: MED-STKPavilion 34.8°Culet: NoneDepth 54.6%

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: $2,787 SGD|Low: $399 SGD|High: $2,876 SGD|Avg: $1,216 SGD|-3.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 8$399 SGD
Retailer 3$447 SGD
Retailer 9$495 SGD
Retailer 5$690 SGD
Retailer 10$807 SGD
Retailer 4$874 SGD
Retailer 11$972 SGD
Retailer 7$1,222 SGD
Retailer 2$1,984 SGD
Retailer 6$2,295 SGD
Brilliant Earth$2,787 SGD

41 data points across 11 retailers

17 retailers$399 SGD to $2,787 SGD

A
Cheapest Retailer
-
$399 SGD
$312 USD
A
Retailer 2
-
$447 SGD
$350 USD
View
Final sale: no returns
A
Retailer 3
-
$463 SGD
$362 USD
View
A
Retailer 4
-
$495 SGD
$387 USD
View
Retailer 5
-
$495 SGD
$387 USD
View
Price last confirmed 7 days ago
A
Retailer 6
-
$690 SGD
$540 USD
View
B+
Retailer 7
-
$807 SGD
$631 USD
View
A
Retailer 8
-
$874 SGD
£538 GBP
View
B+
Retailer 9
-
$972 SGD
$760 USD
View
B+
Retailer 10
-
$1,000 SGD
$782 USD
View
B
Retailer 11
-
$1,222 SGD
$956 USD
View
Retailer 12
-
$1,331 SGD
$1,041 USD
View
Price last confirmed 33 days ago
B
Retailer 13
-
$1,590 SGD
$1,244 USD
View
B
Retailer 14
-
$1,650 SGD
$1,291 USD
View
B
Retailer 15
-
$1,984 SGD
£1,222 GBP
View
B
Retailer 16
-
$2,295 SGD
$1,795 USD
View
Most Expensive
B
Brilliant Earth
15303516A · Nov 1
$2,787 SGD
$2,180 USD
View
16 more retailers have this diamond
Prices start from $399 SGDSave up to $2,388 SGD

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
2.51ct Oval
$399 SGD