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Round|Lab Grown|IGI

2.51ct D VVS1 Round Lab Grown Diamond

ID • D/VVS1 • IGI LG720508164

Shape and cutting style on the report: Round brilliant

Certificate IGI LG720508164

Diamond specifications and retailer prices

From $900 NZD
$507 USD
As of October 29, 2026
Save $3,785 NZD (81%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: $6,078 NZD at Rare Carat · As of July 12, 2026
View at Rare Carat

About this 2.51ct lab-grown round diamond

This 2.51ct lab-grown round sits in the two to three carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG720508164 or 720508164. Listed at 26 retailers as of October 29, 2026, with a 421% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

2.51
Carat
D
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG720508164
Dimensions8.75 × 8.82 × 5.28 mm
L/W Ratio1.01
Girdle conditionFaceted
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
8.75 mm8.82 mm2.51 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG720508164
Side View
Table 59.0%Crown 33.2°Girdle: MediumPavilion 40.9°Culet: NoneDepth 60.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $1,357 NZD|Low: $900 NZD|High: $5,049 NZD|Avg: $2,303 NZD|-49.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
October 31, 2026
Retailer 17$900 NZD
Retailer 16$1,008 NZD
Retailer 11$1,107 NZD
Retailer 3$1,116 NZD
Retailer 1$1,357 NZD
Retailer 5$1,415 NZD
Retailer 7$1,570 NZD
Retailer 14$1,708 NZD
Retailer 8$1,751 NZD
Retailer 10$1,853 NZD
Retailer 12$2,478 NZD
Retailer 15$2,693 NZD
Retailer 4$2,880 NZD
Retailer 2$2,935 NZD
Retailer 9$4,139 NZD
Retailer 6$4,402 NZD
Retailer 13$4,685 NZD

34 data points across 17 retailers

26 retailers$900 NZD to $4,685 NZD

A
Cheapest Retailer
-
$900 NZD
$507 USD
A
Retailer 2
-
$1,008 NZD
$568 USD
View
A
Retailer 3
-
$1,107 NZD
$624 USD
View
Final sale: no returns
A
Retailer 4
-
$1,116 NZD
$629 USD
View
A
Retailer 5
-
$1,272 NZD
HK$5,600 HKD
View
A
Retailer 6
-
$1,357 NZD
$765 USD
View
Retailer 7
-
$1,415 NZD
£628 GBP
View
Price last confirmed 18 days ago
A
Retailer 8
-
$1,570 NZD
$885 USD
View
A
Retailer 9
-
$1,581 NZD
$891 USD
View
A
Retailer 10
-
$1,708 NZD
€917 EUR
View
A
Retailer 11
-
$1,751 NZD
A$1,518 AUD
View
A
Retailer 12
-
$1,853 NZD
£822 GBP
View
B+
Retailer 13
-
$2,456 NZD
$1,384 USD
View
B+
Retailer 14
-
$2,478 NZD
A$2,149 AUD
View
B+
Retailer 15
-
$2,606 NZD
$1,469 USD
View
B+
Retailer 16
-
$2,693 NZD
ZAR 24,522 ZAR
View
B+
Retailer 17
-
$2,880 NZD
$1,623 USD
View
B+
Retailer 18
-
$2,935 NZD
$1,654 USD
View
B
Retailer 19
-
$3,633 NZD
$2,047 USD
View
B
Retailer 20
-
$3,704 NZD
SGD 2,821 SGD
View
B
Retailer 21
-
$3,848 NZD
$2,169 USD
View
B
Retailer 22
-
$3,858 NZD
$2,174 USD
View
B
Retailer 23
-
$4,139 NZD
$2,333 USD
View
Retailer 24
-
$4,402 NZD
A$3,817 AUD
View
Price last confirmed 23 days ago
B
Retailer 25
-
$4,685 NZD
£2,079 GBP
View
Most Expensive
Rare Carat
38515-1189-30 · Jul 12
$6,078 NZD
$3,426 USD
View
Price last confirmed 111 days ago
25 more retailers have this diamond
Prices start from $900 NZDSave up to $3,785 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
2.51ct Round
$900 NZD