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Oval|Lab Grown|IGI

1.70ct I SI1 Oval Lab Grown Diamond

ID • I/SI1 • IGI LG451057941

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG451057941

Diamond specifications and retailer prices

From $1,202 SGD
$940 USD
As of October 29, 2026
Save $5,036 SGD (81%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $6,238 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG451057941 or 451057941. Listed at 12 retailers as of October 29, 2026, with prices from $1,202 to $6,238, a $5,036 spread on the same certified stone. MOH London lists it at $6,238. 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
I
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG451057941
Dimensions9.55 × 6.73 × 4.20 mm
L/W Ratio1.42
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
9.55 mm6.73 mm1.70 ctI / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG451057941
Side View
Table 57.5%Crown 36°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $6,238 SGD|Low: $1,202 SGD|High: $6,286 SGD|Avg: $3,129 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 8$1,202 SGD
Retailer 7$1,873 SGD
Retailer 12$2,038 SGD
Retailer 13$2,095 SGD
Retailer 9$2,172 SGD
Retailer 14$2,172 SGD
Retailer 4$2,391 SGD
Retailer 5$2,957 SGD
Retailer 2$3,111 SGD
Retailer 10$3,425 SGD
Retailer 3$3,943 SGD
Retailer 11$4,072 SGD
Retailer 6$6,220 SGD
MOH London$6,238 SGD

39 data points across 14 retailers

12 retailers$1,202 SGD to $6,238 SGD

A
Cheapest Retailer
-
$1,202 SGD
$940 USD
B+
Retailer 2
-
$1,873 SGD
$1,465 USD
View
B+
Retailer 3
-
$2,038 SGD
$1,594 USD
View
B+
Retailer 4
-
$2,095 SGD
$1,639 USD
View
Final sale: no returns
Retailer 5
-
$2,172 SGD
$1,699 USD
View
Price last confirmed 18 days ago
B+
Retailer 6
-
$2,172 SGD
$1,699 USD
View
B+
Retailer 7
-
$2,391 SGD
$1,870 USD
View
B+
Retailer 8
-
$3,111 SGD
£1,916 GBP
View
B
Retailer 9
-
$3,425 SGD
$2,679 USD
View
B
Retailer 10
-
$3,943 SGD
$3,084 USD
View
B
Retailer 11
-
$4,072 SGD
$3,185 USD
View
Most Expensive
B
MOH London
LG451057941 · Oct 29
$6,238 SGD
£3,842 GBP
View
11 more retailers have this diamond
Prices start from $1,202 SGDSave up to $5,036 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