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Marquise|Lab Grown|IGI

5.51ct I VS2 Marquise Lab Grown Diamond

EX • I/VS2 • IGI LG592363207

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG592363207

Diamond specifications and retailer prices

From $1,295 NZD
$730 USD
As of November 1, 2026
Save $5,925 NZD (82%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $7,220 NZD at MOH London · As of November 1, 2026
View at MOH London

About this 5.51ct lab-grown marquise diamond

This 5.51ct lab-grown marquise sits in the over five carat band, graded I colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG592363207 or 592363207. Listed at 16 retailers as of November 1, 2026, with prices from $1,295 to $7,220, a $5,925 spread on the same certified stone. MOH London lists it at $7,220. 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

5.51
Carat
I
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG592363207
Dimensions18.29 × 9.32 × 5.80 mm
L/W Ratio1.96
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
18.29 mm9.32 mm5.51 ctI / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG592363207
Side View
Table 60.0%Crown 34.4°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 62.2%

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 1
Current: $7,220 NZD|Low: $924 NZD|High: $10,078 NZD|Avg: $3,591 NZD|+27.8%
MOH London
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 1, 2026
Retailer 3$1,157 NZD
Retailer 5$1,258 NZD
Retailer 7$1,295 NZD
Retailer 6$1,341 NZD
Retailer 14$2,903 NZD
Retailer 15$3,394 NZD
Retailer 11$3,398 NZD
Retailer 2$3,607 NZD
Retailer 4$3,772 NZD
Retailer 9$4,187 NZD
Retailer 16$4,448 NZD
Retailer 12$5,205 NZD
Retailer 13$5,868 NZD
Retailer 10$6,387 NZD
Retailer 8$6,708 NZD
MOH London$7,220 NZD

34 data points across 16 retailers

16 retailers$1,295 NZD to $7,220 NZD

Retailer 1
-
$1,157 NZD
$652 USD
Price last confirmed 16 days ago
Retailer 2
-
$1,258 NZD
$709 USD
View
Price last confirmed 17 days ago
A
Retailer 3
-
$1,295 NZD
$730 USD
View
Final sale: no returns
Retailer 4
-
$1,341 NZD
$756 USD
View
Price last confirmed 16 days ago
Retailer 5
-
$1,341 NZD
$756 USD
View
Price last confirmed 29 days ago
B+
Retailer 6
-
$2,903 NZD
$1,636 USD
View
Retailer 7
-
$3,394 NZD
$1,913 USD
View
Price last confirmed 9 days ago
B+
Retailer 8
-
$3,398 NZD
€1,824 EUR
View
B+
Retailer 9
-
$3,607 NZD
HK$15,880 HKD
View
Retailer 10
-
$3,772 NZD
$2,126 USD
View
Price last confirmed 16 days ago
B
Retailer 11
-
$4,187 NZD
$2,360 USD
View
B
Retailer 12
-
$4,448 NZD
$2,507 USD
View
Retailer 13
-
$5,205 NZD
$2,934 USD
View
Price last confirmed 8 days ago
B
Retailer 14
-
$5,868 NZD
£2,604 GBP
View
B
Retailer 15
-
$6,387 NZD
$3,600 USD
View
Most Expensive
B
MOH London
LG592363207 · Nov 1
$7,220 NZD
£3,204 GBP
View
15 more retailers have this diamond
Prices start from $1,295 NZDSave up to $5,925 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
5.51ct Marquise
$1,295 NZD