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Round|Lab Grown|IGI

1.17ct F SI2 Round Lab Grown Diamond

ID • F/SI2 • IGI LG496138970

Shape and cutting style on the report: Round brilliant

Certificate IGI LG496138970

Diamond specifications and retailer prices

From $261 USD
As of October 29, 2026
Save $1,170 USD (82%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,431 USD at MOH London · As of October 26, 2026
View at MOH London

About this 1.17ct lab-grown round diamond

This 1.17ct lab-grown round sits in the classic one-carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG496138970 or 496138970. Listed at 13 retailers as of October 26, 2026, with prices from $261 to $1,431, a $1,170 spread on the same certified stone. MOH London lists it at $1,431. 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

1.17
Carat
F
Color
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG496138970
Dimensions6.78 × 6.83 × 4.18 mm
L/W Ratio1.01
Girdle conditionFaceted
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
6.78 mm6.83 mm1.17 ctF / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG496138970
Side View
Table 57.5%Crown 35.5°Girdle: THN-MEDPavilion 40.9°Culet: NoneDepth 61.4%

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: $1,431 USD|Low: $261 USD|High: $1,438 USD|Avg: $651 USD|-0.4%
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
November 1, 2026
Retailer 8$261 USD
Retailer 10$302 USD
Retailer 9$323 USD
Retailer 12$323 USD
Retailer 7$325 USD
Retailer 4$551 USD
Retailer 6$629 USD
Retailer 11$647 USD
Retailer 2$675 USD
Retailer 5$700 USD
Retailer 3$964 USD
Retailer 13$993 USD
MOH London$1,431 USD

16 data points across 13 retailers

13 retailers$261 USD to $1,431 USD

A
Cheapest Retailer
-
$261 USD
A
Retailer 2
-
$302 USD
View
A
Retailer 3
-
$323 USD
View
Retailer 4
-
$323 USD
View
Price last confirmed 7 days ago
B+
Retailer 5
-
$325 USD
View
B
Retailer 6
-
$551 USD
View
B
Retailer 7
-
$629 USD
£495 GBP
View
B
Retailer 8
-
$647 USD
View
B
Retailer 9
-
$675 USD
£531 GBP
View
B
Retailer 10
-
$700 USD
View
B
Retailer 11
-
$964 USD
View
B
Retailer 12
-
$993 USD
View
Most Expensive
B
MOH London
LG496138970 · Oct 26
$1,431 USD
£1,127 GBP
View
12 more retailers have this diamond
Prices start from $261 USDSave up to $1,170 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
1.17ct Round
$261 USD