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Round|Lab Grown|IGI

1.87ct G SI2 Round Lab Grown Diamond

EX • G/SI2 • IGI LG476159748

Shape and cutting style on the report: Round brilliant

Certificate IGI LG476159748

Diamond specifications and retailer prices

From $857 SGD
£528 GBP
As of October 30, 2026
Save $1,075 SGD (56%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $2,318 SGD at MOH London · As of October 18, 2026
View at MOH London

About this 1.87ct lab-grown round diamond

This 1.87ct lab-grown round sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG476159748 or 476159748. Listed at 12 retailers as of October 30, 2026, with a 125% 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

1.87
Carat
G
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG476159748
Dimensions7.80 × 7.77 × 4.93 mm
L/W Ratio1.00
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
7.80 mm7.77 mm1.87 ctG / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG476159748
Side View
Table 58.5%Crown 36.5°Girdle: ThickPavilion 41.2°Culet: NoneDepth 63.3%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $2,318 SGD|Low: $417 SGD|High: $2,318 SGD|Avg: $1,163 SGD|+25.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 30, 2026
Retailer 8$417 SGD
Retailer 2$857 SGD
Retailer 6$863 SGD
Retailer 3$1,064 SGD
Retailer 5$1,074 SGD
Retailer 7$1,181 SGD
Retailer 4$1,569 SGD
Retailer 9$1,932 SGD
MOH London$2,318 SGD

34 data points across 9 retailers

12 retailers$857 SGD to $1,932 SGD

Retailer 1
-
$336 SGD
$263 USD
Price last confirmed 39 days ago
Retailer 2
-
$390 SGD
$305 USD
View
Price last confirmed 39 days ago
Retailer 3
-
$412 SGD
$322 USD
View
Price last confirmed 39 days ago
B+
Retailer 4
-
$857 SGD
£528 GBP
View
B+
Retailer 5
-
$863 SGD
$675 USD
View
B
Retailer 6
-
$1,064 SGD
£655 GBP
View
B
Retailer 7
-
$1,074 SGD
$840 USD
View
B+
Retailer 8
-
$1,181 SGD
$924 USD
View
Retailer 9
-
$1,480 SGD
$1,158 USD
View
Price last confirmed 40 days ago
B
Retailer 10
-
$1,569 SGD
$1,227 USD
View
B
Retailer 11
-
$1,932 SGD
$1,511 USD
View
Most Expensive
MOH London
LG476159748 · Oct 18
$2,318 SGD
£1,428 GBP
View
Price last confirmed 13 days ago
11 more retailers have this diamond
Prices start from $857 SGDSave up to $1,075 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.

B+
1.87ct Round
$857 SGD