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Oval|Lab Grown|IGI

1.80ct H SI1 Oval Lab Grown Diamond

ID • H/SI1 • IGI LG440012892

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG440012892

Diamond specifications and retailer prices

From $1,435 SGD
As of November 6, 2026
Save $5,816 SGD (80%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $7,251 SGD at MOH London · As of November 5, 2026
View at MOH London

About this 1.8ct lab-grown oval diamond

This 1.8ct lab-grown oval sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG440012892 or 440012892. Listed at 12 retailers as of November 5, 2026, with prices from $1,435 to $7,251, a $5,816 spread on the same certified stone. MOH London lists it at $7,251. 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
H
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle31.5°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG440012892
Dimensions10.01 × 6.86 × 4.06 mm
L/W Ratio1.46
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
10.01 mm6.86 mm1.80 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG440012892
Side View
Table 62.0%Crown 31.5°Girdle: STK-THKPavilion 40.3°Culet: NoneDepth 59.2%

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: Nov 6
Current: $7,251 SGD|Low: $1,435 SGD|High: $7,368 SGD|Avg: $3,628 SGD|-0.3%
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 6, 2026
Retailer 8$1,435 SGD
Retailer 10$2,194 SGD
Retailer 14$2,388 SGD
Retailer 15$2,457 SGD
Retailer 3$2,545 SGD
Retailer 11$2,545 SGD
Retailer 7$2,599 SGD
Retailer 4$2,762 SGD
Retailer 5$3,408 SGD
Retailer 2$3,569 SGD
Retailer 12$3,997 SGD
Retailer 9$4,389 SGD
Retailer 13$4,771 SGD
MOH London$7,251 SGD
Retailer 6$7,288 SGD

27 data points across 15 retailers

12 retailers$1,435 SGD to $7,251 SGD

A
Cheapest Retailer
-
$1,435 SGD
B+
Retailer 2
-
$2,194 SGD
View
B+
Retailer 3
-
$2,388 SGD
View
B+
Retailer 4
-
$2,457 SGD
View
Final sale: no returns
B+
Retailer 5
-
$2,545 SGD
View
Retailer 6
-
$2,545 SGD
View
Price last confirmed 25 days ago
B
Retailer 7
-
$2,762 SGD
View
B
Retailer 8
-
$3,569 SGD
View
B
Retailer 9
-
$3,997 SGD
View
B
Retailer 10
-
$4,389 SGD
View
B
Retailer 11
-
$4,771 SGD
View
Most Expensive
B
MOH London
LG440012892 · Nov 5
$7,251 SGD
£4,455 GBP
View
11 more retailers have this diamond
Prices start from $1,435 SGDSave up to $5,816 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 Oval
$1,435 SGD