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Oval|Lab Grown|IGI

1.70ct J SI1 Oval Lab Grown Diamond

ID • J/SI1 • IGI LG445038813

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG445038813

Diamond specifications and retailer prices

From $1,611 SGD
$1,260 USD
As of October 29, 2026
Save $4,422 SGD (73%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $6,033 SGD at MOH London · As of October 29, 2026
View at MOH London

About this 1.7ct lab-grown oval diamond

This 1.7ct lab-grown oval sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG445038813 or 445038813. Listed at 12 retailers as of October 29, 2026, with prices from $1,611 to $6,033, a $4,422 spread on the same certified stone. MOH London lists it at $6,033. 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

1.70
Carat
J
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG445038813
Dimensions9.04 × 6.82 × 4.29 mm
L/W Ratio1.33
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
9.04 mm6.82 mm1.70 ctJ / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG445038813
Side View
Table 56.5%Crown 35.1°Girdle: STK-THKPavilion 40.8°Culet: NoneDepth 62.9%

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: $6,033 SGD|Low: $1,074 SGD|High: $6,074 SGD|Avg: $2,761 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
Retailer 14
October 30, 2026
Retailer 9$1,074 SGD
Retailer 8$1,611 SGD
Retailer 13$1,751 SGD
Retailer 14$1,803 SGD
Retailer 3$1,868 SGD
Retailer 10$1,868 SGD
Retailer 7$2,090 SGD
Retailer 2$2,564 SGD
Retailer 5$2,595 SGD
Retailer 11$2,959 SGD
Retailer 4$3,481 SGD
Retailer 12$3,502 SGD
Retailer 6$5,348 SGD
MOH London$6,033 SGD

36 data points across 14 retailers

12 retailers$1,611 SGD to $6,033 SGD

Retailer 1
-
$1,074 SGD
$840 USD
Price last confirmed 19 days ago
A
Retailer 2
-
$1,611 SGD
$1,260 USD
View
A
Retailer 3
-
$1,751 SGD
$1,370 USD
View
A
Retailer 4
-
$1,803 SGD
$1,410 USD
View
Final sale: no returns
A
Retailer 5
-
$1,868 SGD
$1,461 USD
View
Retailer 6
-
$1,868 SGD
$1,461 USD
View
Price last confirmed 18 days ago
B+
Retailer 7
-
$2,090 SGD
$1,635 USD
View
B+
Retailer 8
-
$2,564 SGD
£1,579 GBP
View
B+
Retailer 9
-
$2,959 SGD
$2,315 USD
View
B
Retailer 10
-
$3,481 SGD
$2,723 USD
View
B
Retailer 11
-
$3,502 SGD
$2,739 USD
View
Most Expensive
B
MOH London
LG445038813 · Oct 29
$6,033 SGD
£3,716 GBP
View
11 more retailers have this diamond
Prices start from $1,611 SGDSave up to $4,422 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
1.70ct Oval
$1,611 SGD