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Round|Lab Grown|IGI

1.50ct G SI1 Round Lab Grown Diamond

EX • G/SI1 • IGI LG818685585

Shape and cutting style on the report: Round brilliant

Certificate IGI LG818685585

Diamond specifications and retailer prices

From $276 SGD
As of November 4, 2026
Save $1,222 SGD (82%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $1,497 SGD at Reve Diamonds · As of November 6, 2026
View at Reve Diamonds

About this 1.5ct lab-grown round diamond

This 1.5ct lab-grown round sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG818685585 or 818685585. Listed at 21 retailers as of November 4, 2026, with prices from $276 to $1,497, a $1,222 spread on the same certified stone. Reve Diamonds lists it at $1,497. 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

1.50
Carat
G
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.7°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818685585
Dimensions7.40 × 7.45 × 4.47 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.40 mm7.45 mm1.50 ctG / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818685585
Side View
Table 59.0%Crown 31.7°Girdle: MED-STKPavilion 41.3°Culet: NoneDepth 60.1%

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 4
Current: $551 SGD|Low: $247 SGD|High: $1,448 SGD|Avg: $578 SGD|+4.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 9$247 SGD
Retailer 6$276 SGD
Retailer 4$307 SGD
Retailer 8$415 SGD
Retailer 3$513 SGD
Retailer 7$548 SGD
Retailer 1$551 SGD
Retailer 5$987 SGD
Retailer 2$1,427 SGD

45 data points across 9 retailers

21 retailers$276 SGD to $1,497 SGD

Retailer 1
-
$247 SGD
Price last confirmed 17 days ago
Retailer 2
-
$247 SGD
View
Price last confirmed 46 days ago
Retailer 3
-
$247 SGD
View
Price last confirmed 38 days ago
A
Retailer 4
-
$276 SGD
View
Final sale: no returns
Retailer 5
-
$286 SGD
View
Price last confirmed 45 days ago
Retailer 6
-
$303 SGD
View
Price last confirmed 45 days ago
Retailer 7
-
$303 SGD
View
Price last confirmed 66 days ago
Retailer 8
-
$303 SGD
View
Price last confirmed 38 days ago
A
Retailer 9
-
$307 SGD
View
Retailer 10
-
$307 SGD
View
Price last confirmed 29 days ago
B+
Retailer 11
-
$415 SGD
View
A
Retailer 12
-
$513 SGD
View
A
Retailer 13
-
$551 SGD
View
A
Retailer 14
-
$572 SGD
View
Retailer 15
-
$985 SGD
View
Price last confirmed 37 days ago
B+
Retailer 16
-
$985 SGD
View
Retailer 17
-
$985 SGD
View
Price last confirmed 46 days ago
B+
Retailer 18
-
$987 SGD
View
B
Retailer 19
-
$1,052 SGD
View
B
Retailer 20
-
$1,427 SGD
View
Most Expensive
B
Reve Diamonds
9A134B3A8 · Nov 6
$1,497 SGD
$1,172 USD
View
20 more retailers have this diamond
Prices start from $276 SGDSave up to $1,222 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
1.50ct Round
$276 SGD