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Marquise|Lab Grown|IGI

5.09ct G VVS1 Marquise Lab Grown Diamond

EX • G/VVS1 • IGI LG850678948

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG850678948

Diamond specifications and retailer prices

From $2,235 NZD
$1,257 USD
As of November 2, 2026
Save $6,862 NZD (75%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $18,509 NZD at Brilliant Earth · As of November 3, 2026
View at Brilliant Earth

About this 5.09ct lab-grown marquise diamond

This 5.09ct lab-grown marquise sits in the over five carat band, graded G colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG850678948 or 850678948. Listed at 20 retailers as of November 2, 2026, with a 307% 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

5.09
Carat
G
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.8°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG850678948
Dimensions17.46 × 9.02 × 5.69 mm
L/W Ratio1.94
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
17.46 mm9.02 mm5.09 ctG / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG850678948
Side View
Table 58.0%Crown 37.8°Girdle: MED-STKPavilion 39.2°Culet: NoneDepth 63.1%

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: Nov 2
Current: $18,509 NZD|Low: $2,235 NZD|High: $18,509 NZD|Avg: $5,686 NZD
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
Retailer 14
Retailer 15
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Retailer 17
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Retailer 19
Retailer 20
November 3, 2026
Retailer 17$2,235 NZD
Retailer 18$2,432 NZD
Retailer 10$2,502 NZD
Retailer 5$2,592 NZD
Retailer 16$2,761 NZD
Retailer 4$2,898 NZD
Retailer 3$3,286 NZD
Retailer 14$3,653 NZD
Retailer 19$3,707 NZD
Retailer 11$4,388 NZD
Retailer 6$4,859 NZD
Retailer 8$5,255 NZD
Retailer 13$5,273 NZD
Retailer 9$6,193 NZD
Retailer 2$6,371 NZD
Retailer 7$7,439 NZD
Retailer 20$7,743 NZD
Retailer 15$8,330 NZD
Retailer 12$9,097 NZD
Brilliant Earth$18,509 NZD

5 data points across 20 retailers

20 retailers$2,235 NZD to $9,097 NZD

A
Cheapest Retailer
-
$2,235 NZD
$1,257 USD
A
Retailer 2
-
$2,432 NZD
$1,368 USD
View
A
Retailer 3
-
$2,502 NZD
$1,407 USD
View
Final sale: no returns
A
Retailer 4
-
$2,592 NZD
$1,458 USD
View
A
Retailer 5
-
$2,761 NZD
£1,223 GBP
View
A
Retailer 6
-
$2,898 NZD
$1,630 USD
View
B+
Retailer 7
-
$3,286 NZD
$1,848 USD
View
B+
Retailer 8
-
$3,653 NZD
£1,618 GBP
View
B+
Retailer 9
-
$3,707 NZD
$2,085 USD
View
B+
Retailer 10
-
$4,388 NZD
$2,468 USD
View
B+
Retailer 11
-
$4,859 NZD
$2,733 USD
View
B+
Retailer 12
-
$5,255 NZD
A$4,547 AUD
View
B+
Retailer 13
-
$5,273 NZD
ZAR 47,910 ZAR
View
B
Retailer 14
-
$6,193 NZD
$3,483 USD
View
B
Retailer 15
-
$6,371 NZD
$3,583 USD
View
B
Retailer 16
-
$7,439 NZD
$4,184 USD
View
B
Retailer 17
-
$7,743 NZD
$4,355 USD
View
B
Retailer 18
-
$8,330 NZD
£3,689 GBP
View
B
Retailer 19
-
$9,097 NZD
$5,116 USD
View
Most Expensive
Brilliant Earth
22376922A · Nov 3
$18,509 NZD
$10,410 USD
View
Price under review
19 more retailers have this diamond
Prices start from $2,235 NZDSave up to $6,862 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
5.09ct Marquise
$2,235 NZD