Radiant|Lab Grown|IGI

5.09ct D IF Radiant Lab Grown Diamond

ID • D/IF • IGI LG762545868

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

Certificate IGI LG762545868

Diamond specifications and retailer prices

From $7,871 USD
As of October 31, 2026
Save $25,304 USD (76%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $33,175 USD at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

About this 5.09ct lab-grown radiant diamond

This 5.09ct lab-grown radiant sits in the over five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG762545868 or 762545868. Listed at 12 retailers as of October 30, 2026, with prices from $7,871 to $33,175, a $25,304 spread on the same certified stone. Taylor and Hart lists it at $33,175. 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

5.09
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.1°
Pavilion angle34.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG762545868
Dimensions12.16 × 8.71 × 5.61 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
12.16 mm8.71 mm5.09 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG762545868
Side View
Table 64.0%Crown 41.1°Girdle: MediumPavilion 34.3°Culet: NoneDepth 64.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 31
Current: $12,739 USD|Low: $7,871 USD|High: $35,349 USD|Avg: $18,242 USD|-6.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Taylor and Hart
October 31, 2026
Retailer 4$7,871 USD
Retailer 5$8,461 USD
Retailer 10$9,770 USD
Retailer 7$11,571 USD
Retailer 11$11,903 USD
Retailer 1$12,739 USD
Retailer 6$16,900 USD
Retailer 8$18,344 USD
Retailer 9$19,021 USD
Retailer 2$25,004 USD
Retailer 3$31,354 USD
Taylor and Hart$33,175 USD

36 data points across 12 retailers

12 retailers$7,871 USD to $33,175 USD

A
Cheapest Retailer
-
$7,871 USD
A
Retailer 2
-
$8,461 USD
View
A
Retailer 3
-
$9,770 USD
View
A
Retailer 4
-
$11,571 USD
HK$90,400 HKD
View
A
Retailer 5
-
$11,903 USD
View
A
Retailer 6
-
$12,739 USD
£10,031 GBP
View
A
Retailer 7
-
$16,900 USD
View
A
Retailer 8
-
$18,344 USD
£14,444 GBP
View
Retailer 9
-
$19,021 USD
€18,115 EUR
View
Price last confirmed 7 days ago
Retailer 10
-
$25,004 USD
A$38,467 AUD
View
Price last confirmed 22 days ago
B
Retailer 11
-
$31,354 USD
View
Most Expensive
B
Taylor and Hart
0CYXZR4 · Oct 30
$33,175 USD
View
11 more retailers have this diamond
Prices start from $7,871 USDSave up to $25,304 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
5.09ct Radiant
$7,871 USD