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Round|Lab Grown|IGI

1.80ct I SI2 Round Lab Grown Diamond

EX • I/SI2 • IGI LG436074564

Shape and cutting style on the report: Round brilliant

Certificate IGI LG436074564

Diamond specifications and retailer prices

From $1,666 SGD
$1,300 USD
As of October 29, 2026
Save $4,599 SGD (73%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $6,265 SGD at MOH London · As of October 29, 2026
View at MOH London

About this 1.8ct lab-grown round diamond

This 1.8ct lab-grown round sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG436074564 or 436074564. Listed at 11 retailers as of October 29, 2026, with prices from $1,666 to $6,265, a $4,599 spread on the same certified stone. MOH London lists it at $6,265. 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

1.80
Carat
I
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG436074564
Dimensions7.73 × 7.76 × 4.82 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
7.73 mm7.76 mm1.80 ctI / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG436074564
Side View
Table 57.5%Crown 36.4°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 62.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $6,265 SGD|Low: $1,505 SGD|High: $6,316 SGD|Avg: $3,084 SGD|-0.5%
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
October 30, 2026
Retailer 7$1,666 SGD
Retailer 6$1,882 SGD
Retailer 10$2,047 SGD
Retailer 12$2,107 SGD
Retailer 8$2,181 SGD
Retailer 13$2,181 SGD
Retailer 2$2,734 SGD
Retailer 4$2,975 SGD
Retailer 9$3,440 SGD
Retailer 3$3,960 SGD
Retailer 11$4,090 SGD
Retailer 5$4,884 SGD
MOH London$6,265 SGD

26 data points across 13 retailers

11 retailers$1,666 SGD to $6,265 SGD

A
Cheapest Retailer
-
$1,666 SGD
$1,300 USD
A
Retailer 2
-
$1,882 SGD
$1,468 USD
View
B+
Retailer 3
-
$2,047 SGD
$1,597 USD
View
B+
Retailer 4
-
$2,107 SGD
$1,644 USD
View
Final sale: no returns
Retailer 5
-
$2,181 SGD
$1,702 USD
View
Price last confirmed 17 days ago
B+
Retailer 6
-
$2,181 SGD
$1,702 USD
View
B+
Retailer 7
-
$2,734 SGD
£1,680 GBP
View
B
Retailer 8
-
$3,440 SGD
$2,684 USD
View
B
Retailer 9
-
$3,960 SGD
$3,090 USD
View
B
Retailer 10
-
$4,090 SGD
$3,191 USD
View
Most Expensive
B
MOH London
LG436074564 · Oct 29
$6,265 SGD
£3,849 GBP
View
10 more retailers have this diamond
Prices start from $1,666 SGDSave up to $4,599 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
1.80ct Round
$1,666 SGD