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Oval|Lab Grown|IGI

1.56ct H SI2 Oval Lab Grown Diamond

ID • H/SI2 • IGI LG451057308

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG451057308

Diamond specifications and retailer prices

From $1,099 SGD
$860 USD
As of October 29, 2026
Save $4,875 SGD (82%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $5,975 SGD at MOH London · As of October 27, 2026
View at MOH London

About this 1.56ct lab-grown oval diamond

This 1.56ct lab-grown oval sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG451057308 or 451057308. Listed at 10 retailers as of October 27, 2026, with prices from $1,099 to $5,975, a $4,875 spread on the same certified stone. MOH London lists it at $5,975. 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

1.56
Carat
H
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle36°
Pavilion angle41.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG451057308
Dimensions9.06 × 6.58 × 4.10 mm
L/W Ratio1.38
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
9.06 mm6.58 mm1.56 ctH / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG451057308
Side View
Table 57.0%Crown 36°Girdle: MED-THKPavilion 41.4°Culet: NoneDepth 62.3%

Caratlytics Score

How it works →
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: Oct 29
Current: $5,975 SGD|Low: $1,099 SGD|High: $6,038 SGD|Avg: $2,770 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
October 25, 2026
Retailer 4$1,099 SGD
Retailer 2$1,601 SGD
Retailer 8$1,742 SGD
Retailer 9$1,791 SGD
Retailer 5$1,858 SGD
Retailer 11$2,576 SGD
Retailer 6$2,943 SGD
Retailer 10$3,462 SGD
Retailer 7$3,481 SGD
Retailer 3$4,157 SGD
MOH London$5,975 SGD

14 data points across 11 retailers

10 retailers$1,099 SGD to $5,975 SGD

A
Cheapest Retailer
-
$1,099 SGD
$860 USD
B+
Retailer 2
-
$1,601 SGD
$1,252 USD
View
B+
Retailer 3
-
$1,742 SGD
$1,363 USD
View
B+
Retailer 4
-
$1,791 SGD
$1,401 USD
View
Final sale: no returns
Retailer 5
-
$1,858 SGD
$1,453 USD
View
Price last confirmed 18 days ago
B+
Retailer 6
-
$1,858 SGD
$1,453 USD
View
B
Retailer 7
-
$2,943 SGD
$2,302 USD
View
B
Retailer 8
-
$3,462 SGD
$2,708 USD
View
B
Retailer 9
-
$3,481 SGD
$2,723 USD
View
Most Expensive
B
MOH London
LG451057308 · Oct 27
$5,975 SGD
£3,680 GBP
View
9 more retailers have this diamond
Prices start from $1,099 SGDSave up to $4,875 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
1.56ct Oval
$1,099 SGD