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Round|Lab Grown|IGI

2.50ct I SI1 Round Lab Grown Diamond

EX • I/SI1 • IGI LG499190306

Shape and cutting style on the report: Round brilliant

Certificate IGI LG499190306

Diamond specifications and retailer prices

From $1,956 SGD
$1,530 USD
As of October 30, 2026
Save $11,599 SGD (86%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $13,555 SGD at Moon Ocean · As of October 30, 2026
View at Moon Ocean

About this 2.5ct lab-grown round diamond

This 2.5ct lab-grown round sits in the two to three carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG499190306 or 499190306. Listed at 12 retailers as of October 30, 2026, with prices from $1,956 to $13,555, a $11,599 spread on the same certified stone. Moon Ocean lists it at $13,555. 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

2.50
Carat
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG499190306
Dimensions8.75 × 8.81 × 5.21 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
8.75 mm8.81 mm2.50 ctI / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG499190306
Side View
Table 60.5%Crown 34.1°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 59.3%

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 30
Current: $13,555 SGD|Low: $1,956 SGD|High: $13,700 SGD|Avg: $6,869 SGD|+0.6%
Moon Ocean
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 2$1,956 SGD
Retailer 6$4,166 SGD
Retailer 9$4,666 SGD
Retailer 7$4,834 SGD
Retailer 5$5,031 SGD
Retailer 10$5,624 SGD
Retailer 4$6,667 SGD
Retailer 8$7,502 SGD
Retailer 3$12,316 SGD
Moon Ocean$13,555 SGD

40 data points across 10 retailers

12 retailers$1,956 SGD to $13,555 SGD

A
Cheapest Retailer
-
$1,956 SGD
$1,530 USD
B+
Retailer 2
-
$4,166 SGD
$3,259 USD
View
B+
Retailer 3
-
$4,533 SGD
$3,546 USD
View
B+
Retailer 4
-
$4,666 SGD
$3,650 USD
View
Final sale: no returns
B
Retailer 5
-
$4,834 SGD
$3,781 USD
View
Retailer 6
-
$4,834 SGD
$3,781 USD
View
Price last confirmed 19 days ago
B+
Retailer 7
-
$5,031 SGD
$3,935 USD
View
B
Retailer 8
-
$6,039 SGD
$4,724 USD
View
B
Retailer 9
-
$6,667 SGD
$5,215 USD
View
B
Retailer 10
-
$7,502 SGD
$5,868 USD
View
B
Retailer 11
-
$12,316 SGD
£7,586 GBP
View
Most Expensive
B
Moon Ocean
NVL-04D69BC98-306 · Oct 30
$13,555 SGD
£8,349 GBP
View
11 more retailers have this diamond
Prices start from $1,956 SGDSave up to $11,599 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
2.50ct Round
$1,956 SGD