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Round|Lab Grown|IGI

1.88ct G SI1 Round Lab Grown Diamond

ID • G/SI1 • IGI LG783646812

Shape and cutting style on the report: Round brilliant

Certificate IGI LG783646812

Diamond specifications and retailer prices

From $623 SGD
€464 EUR
As of November 2, 2026
Save $643 SGD (51%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,478 SGD at MOH London · As of October 26, 2026
View at MOH London

About this 1.88ct lab-grown round diamond

This 1.88ct 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 LG783646812 or 783646812. Listed at 17 retailers as of October 28, 2026, with a 103% 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

1.88
Carat
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG783646812
Dimensions7.92 × 7.90 × 4.87 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.92 mm7.90 mm1.88 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG783646812
Side View
Table 56.0%Crown 33.8°Girdle: THN-MEDPavilion 40.8°Culet: NoneDepth 61.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 2
Current: $1,478 SGD|Low: $285 SGD|High: $1,494 SGD|Avg: $757 SGD|+0.1%
MOH London
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
November 2, 2026
Retailer 4$297 SGD
Retailer 14$349 SGD
Retailer 7$368 SGD
Retailer 13$373 SGD
Retailer 2$623 SGD
Retailer 9$630 SGD
Retailer 10$668 SGD
Retailer 11$699 SGD
Retailer 6$710 SGD
Retailer 8$859 SGD
Retailer 3$975 SGD
Retailer 12$1,200 SGD
Retailer 15$1,266 SGD
Retailer 5$1,407 SGD
MOH London$1,478 SGD

42 data points across 15 retailers

17 retailers$623 SGD to $1,266 SGD

Retailer 1
-
$297 SGD
$232 USD
Price last confirmed 8 days ago
Retailer 2
-
$349 SGD
$273 USD
View
Price last confirmed 7 days ago
Retailer 3
-
$368 SGD
$288 USD
View
Price last confirmed 9 days ago
A
Retailer 4
-
$373 SGD
$292 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
$623 SGD
€464 EUR
View
B+
Retailer 6
-
$630 SGD
$493 USD
View
A
Retailer 7
-
$668 SGD
£411 GBP
View
A
Retailer 8
-
$699 SGD
£430 GBP
View
Retailer 9
-
$710 SGD
$555 USD
View
Price last confirmed 8 days ago
B+
Retailer 10
-
$859 SGD
$672 USD
View
Retailer 11
-
$975 SGD
$762 USD
View
Price last confirmed 8 days ago
Retailer 12
-
$1,081 SGD
$845 USD
View
Price last confirmed 48 days ago
Retailer 13
-
$1,151 SGD
$900 USD
View
Price last confirmed 16 days ago
B
Retailer 14
-
$1,200 SGD
$938 USD
View
B+
Retailer 15
-
$1,266 SGD
$990 USD
View
Retailer 16
-
$1,407 SGD
$1,100 USD
View
Price last confirmed 9 days ago
Most Expensive
MOH London
LG783646812 · Oct 26
$1,478 SGD
£910 GBP
View
Price last confirmed 7 days ago
16 more retailers have this diamond
Prices start from $623 SGDSave up to $643 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
1.88ct Round
$623 SGD