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Oval|Lab Grown|IGI

2.51ct D SI1 Oval Lab Grown Diamond

VG • D/SI1 • IGI LG843607238

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG843607238

Diamond specifications and retailer prices

From $390 SGD
$305 USD
As of October 29, 2026
Save $3,739 SGD (91%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $4,129 SGD at Brilliant Earth · As of October 30, 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 D colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG843607238 or 843607238. Listed at 18 retailers as of October 29, 2026, with prices from $390 to $4,129, a $3,739 spread on the same certified stone. Brilliant Earth lists it at $4,129. 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
D
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.8°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843607238
Dimensions11.56 × 7.42 × 4.51 mm
L/W Ratio1.56
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.56 mm7.42 mm2.51 ctD / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843607238
Side View
Table 63.0%Crown 36.8°Girdle: MED-STKPavilion 39.8°Culet: NoneDepth 60.8%

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: Oct 29
Current: $4,129 SGD|Low: $384 SGD|High: $5,293 SGD|Avg: $1,253 SGD|-22.0%
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
October 30, 2026
Retailer 16$390 SGD
Retailer 9$437 SGD
Retailer 8$453 SGD
Retailer 3$483 SGD
Retailer 19$483 SGD
Retailer 2$594 SGD
Retailer 18$665 SGD
Retailer 15$684 SGD
Retailer 11$832 SGD
Retailer 12$860 SGD
Retailer 5$865 SGD
Retailer 7$1,202 SGD
Retailer 17$1,486 SGD
Retailer 6$1,555 SGD
Retailer 10$1,615 SGD
Retailer 13$1,948 SGD
Retailer 4$1,955 SGD
Retailer 14$2,812 SGD
Brilliant Earth$4,129 SGD

26 data points across 19 retailers

18 retailers$390 SGD to $4,129 SGD

A
Cheapest Retailer
-
$390 SGD
$305 USD
A
Retailer 2
-
$437 SGD
$342 USD
View
Final sale: no returns
A
Retailer 3
-
$453 SGD
$354 USD
View
A
Retailer 4
-
$483 SGD
$378 USD
View
A
Retailer 5
-
$483 SGD
$378 USD
View
A
Retailer 6
-
$594 SGD
£366 GBP
View
B+
Retailer 7
-
$665 SGD
$520 USD
View
A
Retailer 8
-
$684 SGD
$535 USD
View
A
Retailer 9
-
$860 SGD
£529 GBP
View
A
Retailer 10
-
$865 SGD
$677 USD
View
B+
Retailer 11
-
$1,202 SGD
$940 USD
View
B
Retailer 12
-
$1,486 SGD
$1,162 USD
View
B+
Retailer 13
-
$1,555 SGD
$1,216 USD
View
B+
Retailer 14
-
$1,615 SGD
$1,263 USD
View
B
Retailer 15
-
$1,948 SGD
£1,200 GBP
View
B
Retailer 16
-
$1,955 SGD
$1,529 USD
View
B
Retailer 17
-
$2,812 SGD
$2,200 USD
View
Most Expensive
B
Brilliant Earth
21699557A · Oct 30
$4,129 SGD
$3,230 USD
View
17 more retailers have this diamond
Prices start from $390 SGDSave up to $3,739 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
$390 SGD