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Oval|Lab Grown|IGI

2.55ct D SI1 Oval Lab Grown Diamond

ID • D/SI1 • IGI LG843606127

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG843606127

Diamond specifications and retailer prices

From $658 SGD
$515 USD
As of October 29, 2026
Save $3,394 SGD (84%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $4,602 SGD at Brilliant Earth · As of October 20, 2026
View at Brilliant Earth

About this 2.55ct lab-grown oval diamond

This 2.55ct 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 LG843606127 or 843606127. Listed at 14 retailers as of October 29, 2026, with a 516% 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

2.55
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843606127
Dimensions11.28 × 7.67 × 4.78 mm
L/W Ratio1.47
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.28 mm7.67 mm2.55 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843606127
Side View
Table 58.0%Crown 36.1°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.3%

Caratlytics Score

How it works →
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: $766 SGD|Low: $518 SGD|High: $4,053 SGD|Avg: $1,332 SGD|+13.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 30, 2026
Retailer 4$518 SGD
Retailer 7$658 SGD
Retailer 10$752 SGD
Retailer 1$766 SGD
Retailer 3$871 SGD
Retailer 2$973 SGD
Retailer 12$993 SGD
Retailer 9$1,658 SGD
Retailer 8$1,716 SGD
Retailer 13$1,854 SGD
Retailer 5$2,167 SGD
Retailer 6$2,819 SGD
Retailer 11$4,053 SGD

23 data points across 13 retailers

14 retailers$658 SGD to $4,053 SGD

A
Cheapest Retailer
-
$658 SGD
$515 USD
B+
Retailer 2
-
$752 SGD
$588 USD
View
A
Retailer 3
-
$766 SGD
£472 GBP
View
Retailer 4
-
$973 SGD
£599 GBP
View
Price last confirmed 13 days ago
A
Retailer 5
-
$993 SGD
$777 USD
View
B
Retailer 6
-
$1,658 SGD
$1,297 USD
View
B
Retailer 7
-
$1,716 SGD
$1,342 USD
View
B
Retailer 8
-
$1,854 SGD
$1,450 USD
View
Retailer 9
-
$2,167 SGD
£1,335 GBP
View
Price last confirmed 19 days ago
B
Retailer 10
-
$2,819 SGD
$2,205 USD
View
Retailer 11
-
$3,222 SGD
$2,520 USD
View
Price last confirmed 13 days ago
B
Retailer 12
-
$3,490 SGD
$2,730 USD
View
B
Retailer 13
-
$4,053 SGD
$3,170 USD
View
Most Expensive
Brilliant Earth
21795752A · Oct 20
$4,602 SGD
$3,600 USD
View
Price last confirmed 10 days ago
13 more retailers have this diamond
Prices start from $658 SGDSave up to $3,394 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
2.55ct Oval
$658 SGD