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Oval|Lab Grown|IGI

1.70ct J SI1 Oval Lab Grown Diamond

ID • J/SI1 • IGI LG451055761

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG451055761

Diamond specifications and retailer prices

From $1,202 SGD
$940 USD
As of October 30, 2026
Save $5,734 SGD (83%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $6,936 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 LG451055761 or 451055761. Listed at 12 retailers as of October 29, 2026, with prices from $1,202 to $6,936, a $5,734 spread on the same certified stone. MOH London lists it at $6,936. 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
SymmetryVery Good
FluorescenceNone
Crown angle35.8°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG451055761
Dimensions9.28 × 6.97 × 4.18 mm
L/W Ratio1.33
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
9.28 mm6.97 mm1.70 ctJ / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG451055761
Side View
Table 60.0%Crown 35.8°Girdle: MED-THKPavilion 40.4°Culet: NoneDepth 60.0%

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 30
Current: $6,936 SGD|Low: $1,202 SGD|High: $6,991 SGD|Avg: $3,464 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 2$1,202 SGD
Retailer 9$2,083 SGD
Retailer 13$2,265 SGD
Retailer 14$2,332 SGD
Retailer 3$2,416 SGD
Retailer 10$2,416 SGD
Retailer 4$2,634 SGD
Retailer 5$3,247 SGD
Retailer 7$3,316 SGD
Retailer 11$3,798 SGD
Retailer 8$4,165 SGD
Retailer 12$4,528 SGD
Retailer 6$6,916 SGD
MOH London$6,936 SGD

37 data points across 14 retailers

12 retailers$1,202 SGD to $6,936 SGD

A
Cheapest Retailer
-
$1,202 SGD
$940 USD
B+
Retailer 2
-
$2,083 SGD
$1,629 USD
View
B+
Retailer 3
-
$2,265 SGD
$1,772 USD
View
B+
Retailer 4
-
$2,332 SGD
$1,824 USD
View
Final sale: no returns
Retailer 5
-
$2,416 SGD
$1,890 USD
View
Price last confirmed 18 days ago
B+
Retailer 6
-
$2,416 SGD
$1,890 USD
View
B+
Retailer 7
-
$2,634 SGD
$2,060 USD
View
B
Retailer 8
-
$3,316 SGD
£2,042 GBP
View
B
Retailer 9
-
$3,798 SGD
$2,971 USD
View
B
Retailer 10
-
$4,165 SGD
$3,258 USD
View
B
Retailer 11
-
$4,528 SGD
$3,542 USD
View
Most Expensive
B
MOH London
LG451055761 · Oct 29
$6,936 SGD
£4,272 GBP
View
11 more retailers have this diamond
Prices start from $1,202 SGDSave up to $5,734 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
$1,202 SGD