Radiant|Lab Grown|IGI

1.76ct D IF Radiant Lab Grown Diamond

VG • D/IF • IGI LG756587943

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

Certificate IGI LG756587943

Diamond specifications and retailer prices

From $300 USD
As of October 30, 2026
Save $3,260 USD (92%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $3,560 USD at Brilliant Earth · As of October 30, 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 very-good cut grade and certified by IGI LG756587943 or 756587943. Listed at 18 retailers as of October 30, 2026, with prices from $300 to $3,560, a $3,260 spread on the same certified stone. Brilliant Earth lists it at $3,560. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.76
Carat
D
Color
IF
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.6°
Pavilion angle35.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG756587943
Dimensions8.39 × 5.98 × 4.12 mm
L/W Ratio1.40
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
8.39 mm5.98 mm1.76 ctD / IF
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG756587943
Side View
Table 60.0%Crown 45.6°Girdle: MediumPavilion 35.9°Culet: NoneDepth 68.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: $3,560 USD|Low: $300 USD|High: $5,080 USD|Avg: $1,323 USD|-29.9%
Brilliant Earth
Retailer 2
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Retailer 11
Retailer 12
Retailer 13
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Retailer 18
October 31, 2026
Retailer 17$300 USD
Retailer 18$341 USD
Retailer 15$348 USD
Retailer 12$435 USD
Retailer 4$450 USD
Retailer 8$486 USD
Retailer 7$519 USD
Retailer 5$641 USD
Retailer 2$666 USD
Retailer 13$956 USD
Retailer 11$1,014 USD
Retailer 9$1,202 USD
Retailer 14$1,319 USD
Retailer 16$1,432 USD
Retailer 6$1,676 USD
Retailer 3$2,660 USD
Retailer 10$3,090 USD
Brilliant Earth$3,560 USD

32 data points across 18 retailers

18 retailers$300 USD to $3,560 USD

A
Cheapest Retailer
-
$300 USD
A
Retailer 2
-
$341 USD
View
Final sale: no returns
A
Retailer 3
-
$348 USD
View
A
Retailer 4
-
$435 USD
£343 GBP
View
A
Retailer 5
-
$450 USD
View
A
Retailer 6
-
$486 USD
View
B+
Retailer 7
-
$519 USD
View
A
Retailer 8
-
$641 USD
View
A
Retailer 9
-
$666 USD
€634 EUR
View
A
Retailer 10
-
$956 USD
A$1,471 AUD
View
A
Retailer 11
-
$1,014 USD
View
B+
Retailer 12
-
$1,202 USD
View
B+
Retailer 13
-
$1,319 USD
View
B+
Retailer 14
-
$1,432 USD
View
Retailer 15
-
$1,676 USD
£1,320 GBP
View
Price last confirmed 10 days ago
B
Retailer 16
-
$2,660 USD
View
Retailer 17
-
$3,090 USD
View
Price last confirmed 10 days ago
Most Expensive
B
Brilliant Earth
21411235Y · Oct 30
$3,560 USD
View
17 more retailers have this diamond
Prices start from $300 USDSave up to $3,260 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
$300 USD