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Radiant|Lab Grown|IGI

5.12ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG773639235

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

Certificate IGI LG773639235

Diamond specifications and retailer prices

From $8,889 USD
As of October 30, 2026
Save $36,161 USD (80%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $45,050 USD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 5.12ct lab-grown radiant diamond

This 5.12ct lab-grown radiant sits in the over five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG773639235 or 773639235. Listed at 23 retailers as of October 29, 2026, with prices from $8,889 to $45,050, a $36,161 spread on the same certified stone. Do Amore Diamonds lists it at $45,050. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

5.12
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.6°
Pavilion angle36.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG773639235
Dimensions12.42 × 8.57 × 5.74 mm
L/W Ratio1.45
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
12.42 mm8.57 mm5.12 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG773639235
Side View
Table 63.0%Crown 39.6°Girdle: MED-STKPavilion 36.5°Culet: NoneDepth 67.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $45,050 USD|Low: $8,889 USD|High: $91,036 USD|Avg: $25,826 USD|-17.5%
Do Amore Diamonds
Retailer 2
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Retailer 20
October 30, 2026
Retailer 4$8,889 USD
Retailer 17$10,459 USD
Retailer 9$11,263 USD
Retailer 20$11,525 USD
Retailer 5$11,665 USD
Retailer 19$11,858 USD
Retailer 12$12,068 USD
Retailer 18$12,571 USD
Retailer 3$12,645 USD
Retailer 2$15,338 USD
Retailer 11$18,456 USD
Retailer 14$19,872 USD
Retailer 16$20,487 USD
Retailer 13$26,163 USD
Retailer 15$28,270 USD
Retailer 6$32,103 USD
Retailer 8$38,321 USD
Retailer 7$41,441 USD
Do Amore Diamonds$45,050 USD
Retailer 10$74,870 USD

41 data points across 20 retailers

23 retailers$8,889 USD to $45,050 USD

A
Cheapest Retailer
-
$8,889 USD
A
Retailer 2
-
$10,056 USD
View
A
Retailer 3
-
$10,459 USD
View
A
Retailer 4
-
$11,263 USD
View
Final sale: no returns
A
Retailer 5
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$11,525 USD
View
A
Retailer 6
-
$11,665 USD
View
Retailer 7
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$11,666 USD
View
Price last confirmed 13 days ago
A
Retailer 8
-
$11,858 USD
View
A
Retailer 9
-
$12,068 USD
View
A
Retailer 10
-
$12,571 USD
View
A
Retailer 11
-
$12,645 USD
View
A
Retailer 12
-
$15,338 USD
£12,077 GBP
View
A
Retailer 13
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$18,456 USD
£14,532 GBP
View
B+
Retailer 14
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$19,872 USD
£15,647 GBP
View
B+
Retailer 15
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$20,487 USD
€19,511 EUR
View
B+
Retailer 16
-
$26,163 USD
ZAR 422,660 ZAR
View
B+
Retailer 17
-
$28,270 USD
View
B+
Retailer 18
-
$32,103 USD
View
B+
Retailer 19
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$35,773 USD
View
B
Retailer 20
-
$38,321 USD
View
B
Retailer 21
-
$41,441 USD
View
Most Expensive
B
Do Amore Diamonds
27-86864EE0D · Oct 29
$45,050 USD
View
21 more retailers have this diamond
Prices start from $8,889 USDSave up to $36,161 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
5.12ct Radiant
$8,889 USD