Radiant|Lab Grown|IGI

1.76ct F SI1 Radiant Lab Grown Diamond

EX • F/SI1 • IGI LG485150410

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG485150410

Diamond specifications and retailer prices

From $537 USD
As of November 1, 2026
Save $760 USD (59%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $1,297 USD at MOH London · As of October 29, 2026
View at MOH London

About this 1.76ct lab-grown radiant diamond

This 1.76ct lab-grown radiant sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG485150410 or 485150410. Listed at 5 retailers as of October 29, 2026, with prices from $537 to $1,297, a $760 spread on the same certified stone. MOH London lists it at $1,297. 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

1.76
Carat
F
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.3°
Pavilion angle30°
OriginLab Grown
Grading LabIGI
CertificateIGI LG485150410
Dimensions8.31 × 6.03 × 3.92 mm
L/W Ratio1.38
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
8.31 mm6.03 mm1.76 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG485150410
Side View
Table 66.5%Crown 43.3°Girdle: MED-STKPavilion 30°Culet: NoneDepth 65.0%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: $1,297 USD|Low: $512 USD|High: $1,306 USD|Avg: $744 USD|+0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 2, 2026
Retailer 3$537 USD
Retailer 2$615 USD
Retailer 5$619 USD
Retailer 4$670 USD
MOH London$1,297 USD

42 data points across 5 retailers

5 retailers$537 USD to $1,297 USD

A
Cheapest Retailer
-
$537 USD
A
Retailer 2
-
$615 USD
£484 GBP
View
A
Retailer 3
-
$619 USD
View
B+
Retailer 4
-
$670 USD
View
Most Expensive
B
MOH London
LG485150410 · Oct 29
$1,297 USD
£1,021 GBP
View
4 more retailers have this diamond
Prices start from $537 USDSave up to $760 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
1.76ct Radiant
$537 USD