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1.70ct I SI2 Round Lab Grown Diamond

EX • I/SI2 • IGI LG494161659

Shape and cutting style on the report: Round brilliant

Certificate IGI LG494161659

Diamond specifications and retailer prices

From $1,214 SGD
$950 USD
As of October 30, 2026
Save $4,671 SGD (79%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $5,885 SGD at MOH London · As of October 27, 2026
View at MOH London

About this 1.7ct lab-grown round diamond

This 1.7ct lab-grown round sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG494161659 or 494161659. Listed at 10 retailers as of October 27, 2026, with prices from $1,214 to $5,885, a $4,671 spread on the same certified stone. MOH London lists it at $5,885. 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
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG494161659
Dimensions7.58 × 7.63 × 4.72 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.58 mm7.63 mm1.70 ctI / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG494161659
Side View
Table 56.5%Crown 34.6°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 62.0%

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 30
Current: $5,885 SGD|Low: $1,214 SGD|High: $5,947 SGD|Avg: $2,998 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 30, 2026
Retailer 2$1,214 SGD
Retailer 4$1,774 SGD
Retailer 7$1,930 SGD
Retailer 9$1,987 SGD
Retailer 5$2,058 SGD
Retailer 11$2,821 SGD
Retailer 6$3,250 SGD
Retailer 10$3,734 SGD
Retailer 8$3,857 SGD
Retailer 3$4,607 SGD
MOH London$5,885 SGD

14 data points across 11 retailers

10 retailers$1,214 SGD to $5,885 SGD

A
Cheapest Retailer
-
$1,214 SGD
$950 USD
B+
Retailer 2
-
$1,774 SGD
$1,388 USD
View
B+
Retailer 3
-
$1,930 SGD
$1,510 USD
View
B+
Retailer 4
-
$1,987 SGD
$1,554 USD
View
Final sale: no returns
B+
Retailer 5
-
$2,058 SGD
$1,610 USD
View
Retailer 6
-
$2,058 SGD
$1,610 USD
View
Price last confirmed 18 days ago
B
Retailer 7
-
$3,250 SGD
$2,542 USD
View
B
Retailer 8
-
$3,734 SGD
$2,921 USD
View
B
Retailer 9
-
$3,857 SGD
$3,017 USD
View
Most Expensive
B
MOH London
LG494161659 · Oct 27
$5,885 SGD
£3,625 GBP
View
9 more retailers have this diamond
Prices start from $1,214 SGDSave up to $4,671 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 Round
$1,214 SGD