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Radiant|Lab Grown|IGI

2.61ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG804666423

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

Certificate IGI LG804666423

Diamond specifications and retailer prices

From $2,150 USD
HK$16,800 HKD
As of October 30, 2026
Save $7,710 USD (78%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $9,860 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 2.61ct lab-grown radiant diamond

This 2.61ct lab-grown radiant sits in the two to three carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG804666423 or 804666423. Listed at 10 retailers as of October 29, 2026, with prices from $2,150 to $9,860, a $7,710 spread on the same certified stone. Brilliant Earth lists it at $9,860. 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

2.61
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.7°
Pavilion angle34.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804666423
Dimensions9.69 × 7.00 × 4.51 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
9.69 mm7.00 mm2.61 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804666423
Side View
Table 63.0%Crown 41.7°Girdle: MediumPavilion 34.2°Culet: NoneDepth 64.4%

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: $9,860 USD|Low: $2,150 USD|High: $10,200 USD|Avg: $5,482 USD|-3.3%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 23, 2026
Retailer 9$2,150 USD
Retailer 3$2,634 USD
Retailer 8$2,660 USD
Retailer 2$2,788 USD
Retailer 7$2,954 USD
Retailer 12$3,554 USD
Retailer 6$4,594 USD
Retailer 5$5,915 USD
Retailer 10$6,784 USD
Retailer 11$6,982 USD
Retailer 4$8,876 USD
Brilliant Earth$9,860 USD

28 data points across 12 retailers

10 retailers$2,150 USD to $9,860 USD

A
Cheapest Retailer
-
$2,150 USD
HK$16,800 HKD
A
Retailer 2
-
$2,660 USD
View
Retailer 3
-
$2,788 USD
€2,655 EUR
View
Price last confirmed 7 days ago
A
Retailer 4
-
$2,954 USD
View
B+
Retailer 5
-
$4,594 USD
View
Retailer 6
-
$5,915 USD
View
Price last confirmed 9 days ago
B
Retailer 7
-
$6,784 USD
View
Retailer 8
-
$6,982 USD
£5,498 GBP
View
Price last confirmed 22 days ago
Retailer 9
-
$8,876 USD
View
Price last confirmed 26 days ago
Most Expensive
B
Brilliant Earth
20502711A · Oct 29
$9,860 USD
View
9 more retailers have this diamond
Prices start from $2,150 USDSave up to $7,710 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
2.61ct Radiant
$2,150 USD