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Marquise|Lab Grown|IGI

2.59ct G VVS1 Marquise Lab Grown Diamond

EX • G/VVS1 • IGI LG818661307

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG818661307

Diamond specifications and retailer prices

From $842 NZD
$474 USD
As of November 2, 2026
Save $3,064 NZD (78%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $8,389 NZD at Brilliant Earth · As of September 28, 2026
View at Brilliant Earth

About this 2.59ct lab-grown marquise diamond

This 2.59ct lab-grown marquise sits in the two to three carat band, graded G colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG818661307 or 818661307. Listed at 22 retailers as of November 1, 2026, with a 364% 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

2.59
Carat
G
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818661307
Dimensions15.05 × 7.10 × 4.28 mm
L/W Ratio2.12
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.05 mm7.10 mm2.59 ctG / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818661307
Side View
Table 63.0%Crown 34°Girdle: MED-STKPavilion 39.5°Culet: NoneDepth 60.3%

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: Nov 2
Current: $2,518 NZD|Low: $809 NZD|High: $3,907 NZD|Avg: $2,044 NZD|+2.0%
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
November 2, 2026
Retailer 4$842 NZD
Retailer 5$940 NZD
Retailer 8$944 NZD
Retailer 6$1,043 NZD
Retailer 16$1,110 NZD
Retailer 15$1,297 NZD
Retailer 11$1,401 NZD
Retailer 14$1,528 NZD
Retailer 9$1,732 NZD
Retailer 13$2,319 NZD
Retailer 12$2,385 NZD
Retailer 1$2,518 NZD
Retailer 7$3,356 NZD
Retailer 2$3,674 NZD
Retailer 10$3,835 NZD
Retailer 3$3,907 NZD

42 data points across 16 retailers

22 retailers$842 NZD to $3,907 NZD

A
Cheapest Retailer
-
$842 NZD
$474 USD
A
Retailer 2
-
$940 NZD
$529 USD
View
Final sale: no returns
A
Retailer 3
-
$944 NZD
$531 USD
View
A
Retailer 4
-
$1,043 NZD
$587 USD
View
Retailer 5
-
$1,043 NZD
$587 USD
View
Price last confirmed 17 days ago
Retailer 6
-
$1,110 NZD
£492 GBP
View
Price last confirmed 16 days ago
A
Retailer 7
-
$1,297 NZD
$730 USD
View
A
Retailer 8
-
$1,401 NZD
$788 USD
View
A
Retailer 9
-
$1,528 NZD
€819 EUR
View
A
Retailer 10
-
$1,732 NZD
£767 GBP
View
Retailer 11
-
$2,309 NZD
$1,299 USD
View
Price last confirmed 9 days ago
B+
Retailer 12
-
$2,319 NZD
A$2,007 AUD
View
B+
Retailer 13
-
$2,385 NZD
$1,342 USD
View
B+
Retailer 14
-
$2,518 NZD
ZAR 22,889 ZAR
View
B+
Retailer 15
-
$2,662 NZD
$1,498 USD
View
B+
Retailer 16
-
$3,034 NZD
£1,344 GBP
View
B+
Retailer 17
-
$3,356 NZD
$1,888 USD
View
B+
Retailer 18
-
$3,408 NZD
$1,918 USD
View
B+
Retailer 19
-
$3,674 NZD
$2,067 USD
View
B+
Retailer 20
-
$3,835 NZD
£1,699 GBP
View
B
Retailer 21
-
$3,907 NZD
$2,198 USD
View
Most Expensive
Brilliant Earth
21035687A · Sep 28
$8,389 NZD
$4,720 USD
View
Price last confirmed 35 days ago
21 more retailers have this diamond
Prices start from $842 NZDSave up to $3,064 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
2.59ct Marquise
$842 NZD