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Marquise|Lab Grown|IGI

5.50ct G VS2 Marquise Lab Grown Diamond

EX • G/VS2 • IGI LG635409128

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG635409128

Diamond specifications and retailer prices

From $1,377 NZD
$775 USD
As of November 2, 2026
Save $6,851 NZD (83%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $8,229 NZD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 5.5ct lab-grown marquise diamond

This 5.5ct lab-grown marquise sits in the over five carat band, graded G colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG635409128 or 635409128. Listed at 19 retailers as of November 2, 2026, with prices from $1,377 to $8,229, a $6,851 spread on the same certified stone. Brilliant Earth lists it at $8,229. 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

5.50
Carat
G
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle39°
OriginLab Grown
Grading LabIGI
CertificateIGI LG635409128
Dimensions18.27 × 9.30 × 5.63 mm
L/W Ratio1.96
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
18.27 mm9.30 mm5.50 ctG / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG635409128
Side View
Table 61.0%Crown 35.5°Girdle: MED-STKPavilion 39°Culet: NoneDepth 60.5%

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: $8,229 NZD|Low: $1,289 NZD|High: $14,698 NZD|Avg: $3,589 NZD|-44.0%
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
Retailer 16
Retailer 17
Retailer 18
November 2, 2026
Retailer 5$1,377 NZD
Retailer 12$1,498 NZD
Retailer 10$1,582 NZD
Retailer 7$1,598 NZD
Retailer 2$1,787 NZD
Retailer 14$1,911 NZD
Retailer 3$2,289 NZD
Retailer 17$2,433 NZD
Retailer 11$2,450 NZD
Retailer 8$2,482 NZD
Retailer 16$3,519 NZD
Retailer 15$3,800 NZD
Retailer 13$4,493 NZD
Retailer 6$4,957 NZD
Retailer 18$5,401 NZD
Retailer 4$5,520 NZD
Retailer 9$5,934 NZD
Brilliant Earth$8,229 NZD

30 data points across 18 retailers

19 retailers$1,377 NZD to $8,229 NZD

A
Cheapest Retailer
-
$1,377 NZD
$775 USD
A
Retailer 2
-
$1,498 NZD
$843 USD
View
Retailer 3
-
$1,582 NZD
$890 USD
View
Price last confirmed 16 days ago
A
Retailer 4
-
$1,598 NZD
$899 USD
View
A
Retailer 5
-
$1,787 NZD
£792 GBP
View
A
Retailer 6
-
$1,911 NZD
$1,075 USD
View
B+
Retailer 7
-
$2,289 NZD
$1,288 USD
View
A
Retailer 8
-
$2,433 NZD
$1,369 USD
View
A
Retailer 9
-
$2,450 NZD
£1,085 GBP
View
A
Retailer 10
-
$2,482 NZD
€1,330 EUR
View
B+
Retailer 11
-
$3,519 NZD
$1,980 USD
View
B+
Retailer 12
-
$3,800 NZD
$2,138 USD
View
B+
Retailer 13
-
$4,493 NZD
$2,528 USD
View
B+
Retailer 14
-
$4,957 NZD
£2,196 GBP
View
B
Retailer 15
-
$5,401 NZD
$3,039 USD
View
B
Retailer 16
-
$5,520 NZD
$3,106 USD
View
Retailer 17
-
$5,934 NZD
£2,629 GBP
View
Price last confirmed 7 days ago
B
Retailer 18
-
$6,878 NZD
$3,870 USD
View
Most Expensive
B
Brilliant Earth
21793524A · Nov 2
$8,229 NZD
$4,630 USD
View
18 more retailers have this diamond
Prices start from $1,377 NZDSave up to $6,851 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
5.50ct Marquise
$1,377 NZD