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Radiant|Lab Grown|IGI

2.53ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG811634715

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

Certificate IGI LG811634715

Diamond specifications and retailer prices

From $3,702 NZD
HK$16,300 HKD
As of October 31, 2026
Save $13,260 NZD (78%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $16,962 NZD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 2.53ct lab-grown radiant diamond

This 2.53ct 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 LG811634715 or 811634715. Listed at 13 retailers as of October 29, 2026, with prices from $3,702 to $16,962, a $13,260 spread on the same certified stone. Brilliant Earth lists it at $16,962. 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

2.53
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.6°
Pavilion angle33.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811634715
Dimensions9.79 × 6.83 × 4.44 mm
L/W Ratio1.43
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
9.79 mm6.83 mm2.53 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811634715
Side View
Table 65.0%Crown 40.6°Girdle: Slightly ThickPavilion 33.8°Culet: NoneDepth 65.0%

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: $16,962 NZD|Low: $3,702 NZD|High: $17,548 NZD|Avg: $8,785 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
Retailer 13
October 28, 2026
Retailer 3$3,702 NZD
Retailer 2$4,254 NZD
Retailer 13$4,578 NZD
Retailer 9$4,833 NZD
Retailer 7$4,862 NZD
Retailer 6$7,791 NZD
Retailer 12$7,901 NZD
Retailer 10$8,169 NZD
Retailer 8$8,705 NZD
Retailer 5$10,381 NZD
Retailer 11$10,665 NZD
Retailer 4$11,668 NZD
Brilliant Earth$16,962 NZD

38 data points across 13 retailers

13 retailers$3,702 NZD to $16,962 NZD

A
Cheapest Retailer
-
$3,702 NZD
HK$16,300 HKD
A
Retailer 2
-
$4,254 NZD
£1,888 GBP
View
A
Retailer 3
-
$4,578 NZD
$2,580 USD
View
A
Retailer 4
-
$4,833 NZD
$2,724 USD
View
Retailer 5
-
$4,862 NZD
€2,610 EUR
View
Price last confirmed 8 days ago
Retailer 6
-
$7,791 NZD
ZAR 70,937 ZAR
View
Price last confirmed 7 days ago
B+
Retailer 7
-
$7,901 NZD
$4,453 USD
View
B+
Retailer 8
-
$8,169 NZD
$4,604 USD
View
Retailer 9
-
$8,705 NZD
£3,863 GBP
View
Price last confirmed 10 days ago
Retailer 10
-
$10,381 NZD
$5,851 USD
View
Price last confirmed 72 days ago
B
Retailer 11
-
$10,665 NZD
$6,011 USD
View
B
Retailer 12
-
$11,668 NZD
$6,576 USD
View
Most Expensive
B
Brilliant Earth
20936686A · Oct 29
$16,962 NZD
$9,560 USD
View
12 more retailers have this diamond
Prices start from $3,702 NZDSave up to $13,260 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
2.53ct Radiant
$3,702 NZD