Radiant|Lab Grown|IGI

1.76ct D IF Radiant Lab Grown Diamond

EX • D/IF • IGI LG740505025

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

Certificate IGI LG740505025

Diamond specifications and retailer prices

From $563 USD
HK$4,400 HKD
As of October 31, 2026
Save $3,627 USD (87%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $4,190 USD at Brilliant Earth · As of October 24, 2026
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 LG740505025 or 740505025. Listed at 11 retailers as of October 24, 2026, with prices from $563 to $4,190, a $3,627 spread on the same certified stone. Brilliant Earth lists it at $4,190. 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 angle41.6°
Pavilion angle34.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG740505025
Dimensions9.02 × 5.99 × 3.89 mm
L/W Ratio1.51
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
9.02 mm5.99 mm1.76 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG740505025
Side View
Table 63.0%Crown 41.6°Girdle: MediumPavilion 34.9°Culet: NoneDepth 64.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 31
Current: $3,560 USD|Low: $499 USD|High: $4,410 USD|Avg: $1,713 USD|-19.3%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 31, 2026
Retailer 6$563 USD
Retailer 2$597 USD
Retailer 4$677 USD
Retailer 8$754 USD
Retailer 3$815 USD
Retailer 5$1,051 USD
Retailer 10$1,496 USD
Retailer 7$1,772 USD
Retailer 9$3,095 USD
Brilliant Earth$3,560 USD

42 data points across 10 retailers

11 retailers$563 USD to $4,190 USD

A
Cheapest Retailer
-
$563 USD
HK$4,400 HKD
A
Retailer 2
-
$597 USD
View
A
Retailer 3
-
$677 USD
View
Retailer 4
-
$754 USD
€718 EUR
View
Price last confirmed 8 days ago
A
Retailer 5
-
$815 USD
£642 GBP
View
A
Retailer 6
-
$1,051 USD
View
B+
Retailer 7
-
$1,496 USD
View
B+
Retailer 8
-
$1,772 USD
£1,395 GBP
View
Retailer 9
-
$3,095 USD
View
Price last confirmed 10 days ago
B
Retailer 10
-
$3,560 USD
View
Most Expensive
B
Brilliant Earth
16087280A · Oct 24
$4,190 USD
View
10 more retailers have this diamond
Prices start from $563 USDSave up to $3,627 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
$563 USD