Radiant|Lab Grown|IGI

1.76ct D IF Radiant Lab Grown Diamond

EX • D/IF • IGI LG776607620

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

Certificate IGI LG776607620

Diamond specifications and retailer prices

From $5,590 USD
As of October 26, 2026
16 retailers carry this diamond
Most expensive: $5,590 USD at Brilliant Earth
View at Brilliant Earth

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 D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG776607620 or 776607620. Listed at 16 retailers as of October 26, 2026. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.76
Carat
D
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.6°
Pavilion angle32.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG776607620
Dimensions9.04 × 6.03 × 3.82 mm
L/W Ratio1.50
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
9.04 mm6.03 mm1.76 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG776607620
Side View
Table 63.0%Crown 36.6°Girdle: ThinPavilion 32.8°Culet: NoneDepth 62.9%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 26
Current: $5,590 USD|Low: $958 USD|High: $5,590 USD|Avg: $2,530 USD
Brilliant Earth
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
Retailer 15
October 22, 2026
Retailer 5$958 USD
Retailer 8$1,165 USD
Retailer 9$1,245 USD
Retailer 14$1,399 USD
Retailer 2$1,704 USD
Retailer 10$1,992 USD
Retailer 13$2,282 USD
Retailer 4$2,518 USD
Retailer 7$2,672 USD
Retailer 6$3,033 USD
Retailer 15$3,105 USD
Retailer 3$3,652 USD
Retailer 11$3,735 USD
Retailer 12$4,170 USD
Brilliant Earth$5,590 USD

36 data points across 15 retailers

16 retailers

Retailer 1
-
$1,161 USD
Price last confirmed 9 days ago
Retailer 2
-
$1,165 USD
View
Price last confirmed 9 days ago
Retailer 3
-
$1,245 USD
£981 GBP
View
Price last confirmed 11 days ago
Retailer 4
-
$1,399 USD
View
Price last confirmed 10 days ago
Retailer 5
-
$1,704 USD
£1,342 GBP
View
Price last confirmed 9 days ago
Retailer 6
-
$1,992 USD
ZAR 32,177 ZAR
View
Price last confirmed 11 days ago
Retailer 7
-
$2,282 USD
View
Price last confirmed 9 days ago
Retailer 8
-
$2,672 USD
View
Price last confirmed 11 days ago
Retailer 9
-
$3,033 USD
£2,388 GBP
View
Price last confirmed 9 days ago
Retailer 10
-
$3,105 USD
View
Price last confirmed 11 days ago
Retailer 11
-
$3,256 USD
View
Price last confirmed 10 days ago
Retailer 12
-
$3,652 USD
View
Price last confirmed 10 days ago
Retailer 13
-
$3,735 USD
£2,941 GBP
View
Price last confirmed 10 days ago
Retailer 14
-
$3,903 USD
View
Price last confirmed 9 days ago
Retailer 15
-
$4,170 USD
View
Price last confirmed 10 days ago
Most Expensive
B
Brilliant Earth
20992013Y · Oct 26
$5,590 USD
View
15 more retailers have this diamond

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.

B
1.76ct Radiant
$5,590 USD