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Round|Lab Grown|IGI

1.61ct I SI2 Round Lab Grown Diamond

ID • I/SI2 • IGI LG492111869

Shape and cutting style on the report: Round brilliant

Certificate IGI LG492111869

Diamond specifications and retailer prices

From $1,160 USD
As of October 29, 2026
Save $3,750 USD (76%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $4,910 USD at MOH London · As of October 25, 2026
View at MOH London

About this 1.61ct lab-grown round diamond

This 1.61ct 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 LG492111869 or 492111869. Listed at 10 retailers as of October 25, 2026, with prices from $1,160 to $4,910, a $3,750 spread on the same certified stone. MOH London lists it at $4,910. 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

1.61
Carat
I
Color
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG492111869
Dimensions7.63 × 7.62 × 4.54 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
7.63 mm7.62 mm1.61 ctI / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG492111869
Side View
Table 58.5%Crown 33°Girdle: MediumPavilion 40.6°Culet: NoneDepth 59.6%

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 29
Current: $4,910 USD|Low: $1,160 USD|High: $4,970 USD|Avg: $2,379 USD|+0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 25, 2026
Retailer 2$1,160 USD
Retailer 4$1,431 USD
Retailer 5$1,474 USD
Retailer 8$1,781 USD
Retailer 7$2,104 USD
Retailer 3$2,415 USD
Retailer 6$2,845 USD
Retailer 9$3,416 USD
MOH London$4,910 USD

10 data points across 9 retailers

10 retailers$1,160 USD to $4,910 USD

A
Cheapest Retailer
-
$1,160 USD
A
Retailer 2
-
$1,316 USD
View
B+
Retailer 3
-
$1,431 USD
View
B+
Retailer 4
-
$1,474 USD
View
Final sale: no returns
B+
Retailer 5
-
$1,526 USD
View
Retailer 6
-
$1,526 USD
View
Price last confirmed 17 days ago
B
Retailer 7
-
$2,415 USD
View
B
Retailer 8
-
$2,845 USD
View
B
Retailer 9
-
$2,861 USD
View
Most Expensive
B
MOH London
LG492111869 · Oct 25
$4,910 USD
£3,866 GBP
View
9 more retailers have this diamond
Prices start from $1,160 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
1.61ct Round
$1,160 USD