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Round|Lab Grown|IGI

1.60ct J SI1 Round Lab Grown Diamond

EX • J/SI1 • IGI LG478113424

Shape and cutting style on the report: Round brilliant

Certificate IGI LG478113424

Diamond specifications and retailer prices

From $910 USD
As of October 30, 2026
Save $3,723 USD (80%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $4,633 USD at MOH London · As of October 29, 2026
View at MOH London

About this 1.6ct lab-grown round diamond

This 1.6ct lab-grown round 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 LG478113424 or 478113424. Listed at 11 retailers as of October 29, 2026, with prices from $910 to $4,633, a $3,723 spread on the same certified stone. MOH London lists it at $4,633. 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

1.60
Carat
J
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.7°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG478113424
Dimensions7.60 × 7.63 × 4.56 mm
L/W Ratio1.00
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
7.60 mm7.63 mm1.60 ctJ / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG478113424
Side View
Table 61.0%Crown 31.7°Girdle: THN-MEDPavilion 41.5°Culet: NoneDepth 60.0%

Caratlytics Score

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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: $4,633 USD|Low: $910 USD|High: $4,671 USD|Avg: $2,030 USD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 2$910 USD
Retailer 3$1,237 USD
Retailer 6$1,385 USD
Retailer 4$1,434 USD
Retailer 7$1,434 USD
Retailer 8$1,605 USD
Retailer 10$2,025 USD
Retailer 5$2,273 USD
Retailer 9$2,748 USD
MOH London$4,633 USD

14 data points across 10 retailers

11 retailers$910 USD to $4,633 USD

A
Cheapest Retailer
-
$910 USD
B+
Retailer 2
-
$1,237 USD
View
B+
Retailer 3
-
$1,345 USD
View
B+
Retailer 4
-
$1,385 USD
View
Final sale: no returns
Retailer 5
-
$1,434 USD
View
Price last confirmed 18 days ago
B+
Retailer 6
-
$1,434 USD
View
B+
Retailer 7
-
$1,605 USD
View
B
Retailer 8
-
$2,273 USD
View
B
Retailer 9
-
$2,689 USD
View
B
Retailer 10
-
$2,748 USD
View
Most Expensive
B
MOH London
LG478113424 · Oct 29
$4,633 USD
£3,648 GBP
View
10 more retailers have this diamond
Prices start from $910 USDSave up to $3,723 USD

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
1.60ct Round
$910 USD