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Round|Lab Grown|IGI

1.60ct I SI2 Round Lab Grown Diamond

ID • I/SI2 • IGI LG490175103

Shape and cutting style on the report: Round brilliant

Certificate IGI LG490175103

Diamond specifications and retailer prices

From $1,150 USD
As of October 29, 2026
Save $3,750 USD (77%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $4,900 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 I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG490175103 or 490175103. Listed at 11 retailers as of October 29, 2026, with prices from $1,150 to $4,900, a $3,750 spread on the same certified stone. MOH London lists it at $4,900. 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
I
Color
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.1°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG490175103
Dimensions7.69 × 7.63 × 4.51 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
7.69 mm7.63 mm1.60 ctI / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG490175103
Side View
Table 59.0%Crown 33.1°Girdle: MediumPavilion 40.3°Culet: NoneDepth 59.0%

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 29
Current: $4,900 USD|Low: $1,045 USD|High: $4,939 USD|Avg: $2,159 USD|-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$1,150 USD
Retailer 7$1,308 USD
Retailer 11$1,423 USD
Retailer 13$1,464 USD
Retailer 9$1,517 USD
Retailer 14$1,517 USD
Retailer 5$1,751 USD
Retailer 2$1,901 USD
Retailer 4$2,093 USD
Retailer 10$2,399 USD
Retailer 3$2,827 USD
Retailer 12$2,843 USD
Retailer 6$3,396 USD
MOH London$4,900 USD

38 data points across 14 retailers

11 retailers$1,150 USD to $4,900 USD

A
Cheapest Retailer
-
$1,150 USD
A
Retailer 2
-
$1,308 USD
View
B+
Retailer 3
-
$1,423 USD
View
B+
Retailer 4
-
$1,464 USD
View
Final sale: no returns
B+
Retailer 5
-
$1,517 USD
View
Retailer 6
-
$1,517 USD
View
Price last confirmed 17 days ago
B+
Retailer 7
-
$1,901 USD
£1,497 GBP
View
B
Retailer 8
-
$2,399 USD
View
B
Retailer 9
-
$2,827 USD
View
B
Retailer 10
-
$2,843 USD
View
Most Expensive
B
MOH London
LG490175103 · Oct 29
$4,900 USD
£3,858 GBP
View
10 more retailers have this diamond
Prices start from $1,150 USDSave up to $3,750 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
$1,150 USD