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Radiant|Lab Grown|IGI

2.58ct D FL Radiant Lab Grown Diamond

EX • D/FL • IGI LG768629633

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

Certificate IGI LG768629633

Diamond specifications and retailer prices

From $3,431 NZD
$1,934 USD
As of October 30, 2026
Save $11,810 NZD (77%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $15,241 NZD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 2.58ct lab-grown radiant diamond

This 2.58ct 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 LG768629633 or 768629633. Listed at 14 retailers as of October 30, 2026, with prices from $3,431 to $15,241, a $11,810 spread on the same certified stone. Brilliant Earth lists it at $15,241. 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

2.58
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.9°
Pavilion angle32.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG768629633
Dimensions10.14 × 6.77 × 4.35 mm
L/W Ratio1.50
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
10.14 mm6.77 mm2.58 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG768629633
Side View
Table 62.0%Crown 39.9°Girdle: MED-STKPavilion 32.7°Culet: NoneDepth 64.3%

Caratlytics Score

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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: $15,241 NZD|Low: $3,431 NZD|High: $17,903 NZD|Avg: $8,431 NZD|-14.9%
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 31, 2026
Retailer 11$3,431 NZD
Retailer 4$3,770 NZD
Retailer 6$4,364 NZD
Retailer 3$4,666 NZD
Retailer 2$4,971 NZD
Retailer 9$5,007 NZD
Retailer 7$7,973 NZD
Retailer 13$8,057 NZD
Retailer 10$8,329 NZD
Retailer 8$8,838 NZD
Retailer 12$10,867 NZD
Retailer 5$11,898 NZD
Brilliant Earth$15,241 NZD

41 data points across 13 retailers

14 retailers$3,431 NZD to $15,241 NZD

A
Cheapest Retailer
-
$3,431 NZD
$1,934 USD
A
Retailer 2
-
$3,770 NZD
HK$16,600 HKD
View
A
Retailer 3
-
$4,364 NZD
£1,937 GBP
View
A
Retailer 4
-
$4,666 NZD
$2,630 USD
View
Retailer 5
-
$4,971 NZD
€2,668 EUR
View
B+
Retailer 6
-
$5,007 NZD
$2,822 USD
View
B+
Retailer 7
-
$7,973 NZD
ZAR 72,597 ZAR
View
B+
Retailer 8
-
$8,057 NZD
$4,541 USD
View
B+
Retailer 9
-
$8,329 NZD
$4,694 USD
View
B+
Retailer 10
-
$8,838 NZD
£3,922 GBP
View
Retailer 11
-
$10,587 NZD
$5,967 USD
View
Price last confirmed 61 days ago
B
Retailer 12
-
$10,867 NZD
$6,125 USD
View
B
Retailer 13
-
$11,898 NZD
$6,706 USD
View
Most Expensive
B
Brilliant Earth
18782229A · Oct 30
$15,241 NZD
$8,590 USD
View
13 more retailers have this diamond
Prices start from $3,431 NZDSave up to $11,810 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
2.58ct Radiant
$3,431 NZD