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Oval|Lab Grown|IGI

1.71ct J SI2 Oval Lab Grown Diamond

ID • J/SI2 • IGI LG451058603

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG451058603

Diamond specifications and retailer prices

From $1,074 SGD
$840 USD
As of October 31, 2026
Save $4,477 SGD (81%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $5,551 SGD at MOH London · As of October 27, 2026
View at MOH London

About this 1.71ct lab-grown oval diamond

This 1.71ct lab-grown oval sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG451058603 or 451058603. Listed at 10 retailers as of October 27, 2026, with prices from $1,074 to $5,551, a $4,477 spread on the same certified stone. MOH London lists it at $5,551. 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

1.71
Carat
J
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle41.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG451058603
Dimensions9.22 × 6.78 × 4.28 mm
L/W Ratio1.36
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
9.22 mm6.78 mm1.71 ctJ / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG451058603
Side View
Table 59.5%Crown 35.8°Girdle: STK-THKPavilion 41.4°Culet: NoneDepth 63.1%

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 31
Current: $5,551 SGD|Low: $1,074 SGD|High: $5,611 SGD|Avg: $2,613 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$1,074 SGD
Retailer 2$1,488 SGD
Retailer 8$1,618 SGD
Retailer 9$1,664 SGD
Retailer 5$1,726 SGD
Retailer 11$2,463 SGD
Retailer 6$2,741 SGD
Retailer 7$3,234 SGD
Retailer 10$3,401 SGD
Retailer 3$3,862 SGD
MOH London$5,551 SGD

14 data points across 11 retailers

10 retailers$1,074 SGD to $5,551 SGD

A
Cheapest Retailer
-
$1,074 SGD
$840 USD
B+
Retailer 2
-
$1,488 SGD
$1,164 USD
View
B+
Retailer 3
-
$1,618 SGD
$1,266 USD
View
B+
Retailer 4
-
$1,664 SGD
$1,302 USD
View
Final sale: no returns
Retailer 5
-
$1,726 SGD
$1,350 USD
View
Price last confirmed 19 days ago
B+
Retailer 6
-
$1,726 SGD
$1,350 USD
View
B
Retailer 7
-
$2,741 SGD
$2,144 USD
View
B
Retailer 8
-
$3,234 SGD
$2,530 USD
View
B
Retailer 9
-
$3,401 SGD
$2,660 USD
View
Most Expensive
B
MOH London
LG451058603 · Oct 27
$5,551 SGD
£3,419 GBP
View
9 more retailers have this diamond
Prices start from $1,074 SGDSave up to $4,477 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
1.71ct Oval
$1,074 SGD