Radiant|Lab Grown|IGI

5.09ct D IF Radiant Lab Grown Diamond

EX • D/IF • IGI LG754508855

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

Certificate IGI LG754508855

Diamond specifications and retailer prices

From $7,367 USD
As of October 30, 2026
Save $26,629 USD (78%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $33,996 USD at Michael Trio · As of October 31, 2026
View at Michael Trio

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 LG754508855 or 754508855. Listed at 13 retailers as of October 30, 2026, with prices from $7,367 to $33,996, a $26,629 spread on the same certified stone. Michael Trio lists it at $33,996. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.7°
Pavilion angle33.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754508855
Dimensions8.73 × 8.73 × 5.67 mm
L/W Ratio1.00
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
8.73 mm8.73 mm5.09 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754508855
Side View
Table 65.0%Crown 42.7°Girdle: STK-THKPavilion 33.8°Culet: NoneDepth 64.9%

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: $33,996 USD|Low: $7,367 USD|High: $36,713 USD|Avg: $17,742 USD|-7.4%
Michael Trio
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 31, 2026
Retailer 7$7,367 USD
Retailer 6$7,628 USD
Retailer 12$9,275 USD
Retailer 9$9,984 USD
Retailer 4$10,300 USD
Retailer 2$11,232 USD
Retailer 8$14,820 USD
Retailer 13$16,426 USD
Retailer 11$17,974 USD
Retailer 3$23,931 USD
Retailer 5$27,077 USD
Retailer 10$29,818 USD
Michael Trio$33,996 USD

28 data points across 13 retailers

13 retailers$7,367 USD to $33,996 USD

A
Cheapest Retailer
-
$7,367 USD
A
Retailer 2
-
$7,628 USD
View
A
Retailer 3
-
$9,275 USD
View
A
Retailer 4
-
$9,984 USD
HK$78,000 HKD
View
A
Retailer 5
-
$10,300 USD
View
A
Retailer 6
-
$11,232 USD
£8,844 GBP
View
A
Retailer 7
-
$14,820 USD
View
Retailer 8
-
$16,426 USD
€15,644 EUR
View
Price last confirmed 7 days ago
A
Retailer 9
-
$17,974 USD
£14,153 GBP
View
Retailer 10
-
$23,931 USD
A$36,817 AUD
View
Price last confirmed 22 days ago
B+
Retailer 11
-
$27,077 USD
View
B
Retailer 12
-
$29,818 USD
View
Most Expensive
B
Michael Trio
5984198460 · Oct 31
$33,996 USD
SGD 45,941 SGD
View
12 more retailers have this diamond
Prices start from $7,367 USDSave up to $26,629 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
$7,367 USD