Radiant|Lab Grown|IGI

1.76ct D IF Radiant Lab Grown Diamond

ID • D/IF • IGI LG813655693

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

Certificate IGI LG813655693

Diamond specifications and retailer prices

From $428 USD
As of October 31, 2026
Save $4,692 USD (92%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $5,120 USD at Brilliant Earth · As of October 29, 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 LG813655693 or 813655693. Listed at 18 retailers as of October 29, 2026, with prices from $428 to $5,120, a $4,692 spread on the same certified stone. Brilliant Earth lists it at $5,120. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.7°
Pavilion angle37.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG813655693
Dimensions8.39 × 5.90 × 4.08 mm
L/W Ratio1.42
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.39 mm5.90 mm1.76 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG813655693
Side View
Table 63.0%Crown 41.7°Girdle: MED-STKPavilion 37.6°Culet: NoneDepth 69.2%

Caratlytics Score

How it works →
A+
Exceptional
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 31
Current: $428 USD|Low: $428 USD|High: $2,089 USD|Avg: $1,102 USD|-2.3%
Retailer 1
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
Retailer 16
October 31, 2026
Retailer 1$428 USD
Retailer 15$505 USD
Retailer 6$625 USD
Retailer 14$757 USD
Retailer 12$806 USD
Retailer 7$811 USD
Retailer 8$849 USD
Retailer 9$859 USD
Retailer 4$1,105 USD
Retailer 11$1,336 USD
Retailer 2$1,357 USD
Retailer 10$1,512 USD
Retailer 3$1,569 USD
Retailer 13$1,789 USD
Retailer 5$1,871 USD
Retailer 16$2,043 USD

18 data points across 16 retailers

18 retailers$428 USD to $5,120 USD

A+
Cheapest Retailer
-
$428 USD
Final sale: no returns
A
Retailer 2
-
$505 USD
£398 GBP
View
A
Retailer 3
-
$625 USD
View
A
Retailer 4
-
$757 USD
View
A
Retailer 5
-
$806 USD
View
Retailer 6
-
$811 USD
ZAR 13,102 ZAR
View
Price last confirmed 7 days ago
Retailer 7
-
$849 USD
€809 EUR
View
Price last confirmed 8 days ago
A
Retailer 8
-
$859 USD
£676 GBP
View
A
Retailer 9
-
$1,105 USD
A$1,700 AUD
View
B+
Retailer 10
-
$1,336 USD
View
B+
Retailer 11
-
$1,357 USD
View
B+
Retailer 12
-
$1,512 USD
SGD 2,043 SGD
View
B+
Retailer 13
-
$1,569 USD
View
B+
Retailer 14
-
$1,789 USD
View
B+
Retailer 15
-
$1,871 USD
£1,473 GBP
View
Retailer 16
-
$1,988 USD
A$3,058 AUD
View
Price last confirmed 26 days ago
B+
Retailer 17
-
$2,043 USD
View
Most Expensive
B
Brilliant Earth
20609629A · Oct 29
$5,120 USD
View
17 more retailers have this diamond
Prices start from $428 USDSave up to $4,692 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
$428 USD