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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 $3,815 NZD
HK$16,800 HKD
As of October 31, 2026
Save $13,679 NZD (78%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $17,495 NZD 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 $3,815 to $17,495, a $13,679 spread on the same certified stone. Brilliant Earth lists it at $17,495. 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
Colour
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 31
Current: $17,495 NZD|Low: $3,815 NZD|High: $18,098 NZD|Avg: $9,693 NZD|-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 31, 2026
Retailer 9$3,815 NZD
Retailer 3$4,674 NZD
Retailer 8$4,720 NZD
Retailer 2$4,957 NZD
Retailer 7$5,241 NZD
Retailer 12$6,306 NZD
Retailer 6$8,150 NZD
Retailer 5$10,495 NZD
Retailer 10$12,037 NZD
Retailer 11$12,389 NZD
Retailer 4$15,749 NZD
Brilliant Earth$17,495 NZD

28 data points across 12 retailers

10 retailers$3,815 NZD to $17,495 NZD

A
Cheapest Retailer
-
$3,815 NZD
HK$16,800 HKD
A
Retailer 2
-
$4,720 NZD
$2,660 USD
View
A
Retailer 3
-
$4,957 NZD
€2,661 EUR
View
A
Retailer 4
-
$5,241 NZD
$2,954 USD
View
B+
Retailer 5
-
$8,150 NZD
$4,594 USD
View
Retailer 6
-
$10,495 NZD
$5,915 USD
View
Price last confirmed 11 days ago
B
Retailer 7
-
$12,037 NZD
$6,784 USD
View
Retailer 8
-
$12,389 NZD
£5,498 GBP
View
Price last confirmed 24 days ago
Retailer 9
-
$15,749 NZD
$8,876 USD
View
Price last confirmed 27 days ago
Most Expensive
B
Brilliant Earth
20502711A · Oct 29
$17,495 NZD
$9,860 USD
View
9 more retailers have this diamond
Prices start from $3,815 NZDSave up to $13,679 NZD

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
$3,815 NZD