Radiant|Lab Grown|IGI

0.77ct D FL Radiant Lab Grown Diamond

VG • D/FL • IGI LG818658685

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

Certificate IGI LG818658685

Diamond specifications and retailer prices

From $339 USD
As of October 30, 2026
Save $1,183 USD (78%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,522 USD at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

About this 0.77ct lab-grown radiant diamond

This 0.77ct lab-grown radiant sits in the just-under-one-carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a very-good cut grade and certified by IGI LG818658685 or 818658685. Listed at 17 retailers as of October 30, 2026, with prices from $339 to $1,522, a $1,183 spread on the same certified stone. Reve Diamonds lists it at $1,522. 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

0.77
Carat
D
Color
FL
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle28.2°
Pavilion angle36.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818658685
Dimensions6.43 × 4.60 × 3.06 mm
L/W Ratio1.40
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
6.43 mm4.60 mm0.77 ctD / FL
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818658685
Side View
Table 65.0%Crown 28.2°Girdle: ThickPavilion 36.7°Culet: NoneDepth 66.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: $690 USD|Low: $291 USD|High: $1,524 USD|Avg: $779 USD|-37.3%
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
Reve Diamonds
October 30, 2026
Retailer 13$303 USD
Retailer 4$339 USD
Retailer 3$376 USD
Retailer 15$376 USD
Retailer 14$530 USD
Retailer 5$536 USD
Retailer 11$610 USD
Retailer 8$667 USD
Retailer 9$679 USD
Retailer 6$680 USD
Retailer 1$690 USD
Retailer 2$843 USD
Retailer 12$1,154 USD
Retailer 7$1,255 USD
Retailer 10$1,507 USD
Reve Diamonds$1,522 USD

28 data points across 16 retailers

17 retailers$339 USD to $1,522 USD

Retailer 1
-
$303 USD
Price last confirmed 22 days ago
A
Retailer 2
-
$339 USD
View
Final sale: no returns
Retailer 3
-
$376 USD
View
Price last confirmed 27 days ago
Retailer 4
-
$376 USD
View
Price last confirmed 18 days ago
A
Retailer 5
-
$530 USD
View
B+
Retailer 6
-
$536 USD
View
Retailer 7
-
$610 USD
€581 EUR
View
Price last confirmed 7 days ago
B+
Retailer 8
-
$667 USD
£525 GBP
View
B+
Retailer 9
-
$679 USD
ZAR 10,975 ZAR
View
B+
Retailer 10
-
$680 USD
View
B+
Retailer 11
-
$690 USD
View
B
Retailer 12
-
$843 USD
View
B
Retailer 13
-
$1,154 USD
View
Retailer 14
-
$1,208 USD
View
Price last confirmed 30 days ago
B
Retailer 15
-
$1,255 USD
View
B
Retailer 16
-
$1,507 USD
£1,187 GBP
View
Most Expensive
B
Reve Diamonds
CEF26E3C5 · Oct 30
$1,522 USD
View
16 more retailers have this diamond
Prices start from $339 USDSave up to $1,183 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
0.77ct Radiant
$339 USD