Radiant|Lab Grown|IGI

5.05ct D IF Radiant Lab Grown Diamond

EX • D/IF • IGI LG828681280

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

Certificate IGI LG828681280

Diamond specifications and retailer prices

From $10,673 USD
As of October 31, 2026
Save $31,986 USD (75%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $42,659 USD at With Clarity · As of October 31, 2026
View at With Clarity

About this 5.05ct lab-grown radiant diamond

This 5.05ct 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 LG828681280 or 828681280. Listed at 13 retailers as of October 31, 2026, with prices from $10,673 to $42,659, a $31,986 spread on the same certified stone. With Clarity lists it at $42,659. 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

5.05
Carat
D
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.2°
Pavilion angle34.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG828681280
Dimensions11.94 × 8.68 × 5.69 mm
L/W Ratio1.38
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
11.94 mm8.68 mm5.05 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG828681280
Side View
Table 63.0%Crown 44.2°Girdle: MediumPavilion 34.6°Culet: NoneDepth 65.6%

Caratlytics Score

How it works →
A
Excellent
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: $17,570 USD|Low: $10,673 USD|High: $45,940 USD|Avg: $21,862 USD|-7.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
With Clarity
October 31, 2026
Retailer 5$10,673 USD
Retailer 8$11,430 USD
Retailer 2$11,833 USD
Retailer 4$12,640 USD
Retailer 7$17,140 USD
Retailer 1$17,570 USD
Retailer 11$18,203 USD
Retailer 6$19,135 USD
Retailer 10$21,254 USD
Retailer 3$31,108 USD
Retailer 9$32,959 USD
With Clarity$42,659 USD

19 data points across 12 retailers

13 retailers$10,673 USD to $42,659 USD

A
Cheapest Retailer
-
$10,673 USD
A
Retailer 2
-
$11,430 USD
HK$89,300 HKD
View
A
Retailer 3
-
$11,833 USD
View
A
Retailer 4
-
$12,640 USD
£9,952 GBP
View
A
Retailer 5
-
$17,140 USD
View
A
Retailer 6
-
$17,570 USD
€16,733 EUR
View
A
Retailer 7
-
$18,203 USD
£14,333 GBP
View
B+
Retailer 8
-
$19,135 USD
View
B+
Retailer 9
-
$21,254 USD
ZAR 343,368 ZAR
View
B+
Retailer 10
-
$21,815 USD
View
B
Retailer 11
-
$31,108 USD
View
B
Retailer 12
-
$32,959 USD
View
Most Expensive
B
With Clarity
828681280 · Oct 31
$42,659 USD
View
12 more retailers have this diamond
Prices start from $10,673 USDSave up to $31,986 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
5.05ct Radiant
$10,673 USD