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Oval|Lab Grown|IGI

1.71ct J SI2 Oval Lab Grown Diamond

ID • J/SI2 • IGI LG447001992

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG447001992

Diamond specifications and retailer prices

From $1,087 SGD
$850 USD
As of October 29, 2026
Save $4,464 SGD (80%) 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 LG447001992 or 447001992. Listed at 10 retailers as of October 27, 2026, with prices from $1,087 to $5,551, a $4,464 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
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG447001992
Dimensions9.23 × 6.82 × 4.21 mm
L/W Ratio1.35
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
9.23 mm6.82 mm1.71 ctJ / SI2
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateIGI LG447001992
Side View
Table 59.5%Crown 35.4°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 61.7%

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: $5,551 SGD|Low: $1,087 SGD|High: $5,611 SGD|Avg: $2,902 SGD|+0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 25, 2026
Retailer 2$1,087 SGD
Retailer 4$1,664 SGD
Retailer 6$2,463 SGD
Retailer 3$2,741 SGD
Retailer 5$3,401 SGD
Retailer 7$3,862 SGD
MOH London$5,551 SGD

10 data points across 7 retailers

10 retailers$1,087 SGD to $5,551 SGD

A
Cheapest Retailer
-
$1,087 SGD
$850 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 18 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
LG447001992 · Oct 27
$5,551 SGD
£3,419 GBP
View
9 more retailers have this diamond
Prices start from $1,087 SGDSave up to $4,464 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
$1,087 SGD