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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 $1,039 AUD
$730 USD
As of October 31, 2026
Save $4,754 AUD (82%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $5,793 AUD 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 October 31, 2026, with prices from $1,039 to $5,793, a $4,754 spread on the same certified stone. MOH London lists it at $5,793. 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: Oct 31
Current: $5,793 AUD|Low: $742 AUD|High: $8,086 AUD|Avg: $2,882 AUD|+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$928 AUD
Retailer 5$1,009 AUD
Retailer 7$1,039 AUD
Retailer 6$1,076 AUD
Retailer 14$2,329 AUD
Retailer 15$2,723 AUD
Retailer 11$2,726 AUD
Retailer 2$2,894 AUD
Retailer 4$3,027 AUD
Retailer 9$3,360 AUD
Retailer 16$3,569 AUD
Retailer 12$4,176 AUD
Retailer 13$4,708 AUD
Retailer 10$5,125 AUD
Retailer 8$5,382 AUD
MOH London$5,793 AUD

34 data points across 16 retailers

16 retailers$1,039 AUD to $5,793 AUD

Retailer 1
-
$928 AUD
$652 USD
Price last confirmed 15 days ago
Retailer 2
-
$1,009 AUD
$709 USD
View
Price last confirmed 17 days ago
A
Retailer 3
-
$1,039 AUD
$730 USD
View
Final sale: no returns
Retailer 4
-
$1,076 AUD
$756 USD
View
Price last confirmed 16 days ago
Retailer 5
-
$1,076 AUD
$756 USD
View
Price last confirmed 29 days ago
B+
Retailer 6
-
$2,329 AUD
$1,636 USD
View
Retailer 7
-
$2,723 AUD
$1,913 USD
View
Price last confirmed 9 days ago
B+
Retailer 8
-
$2,726 AUD
€1,824 EUR
View
B+
Retailer 9
-
$2,894 AUD
HK$15,880 HKD
View
Retailer 10
-
$3,027 AUD
$2,126 USD
View
Price last confirmed 16 days ago
B
Retailer 11
-
$3,360 AUD
$2,360 USD
View
B
Retailer 12
-
$3,569 AUD
$2,507 USD
View
Retailer 13
-
$4,176 AUD
$2,934 USD
View
Price last confirmed 8 days ago
B
Retailer 14
-
$4,708 AUD
£2,604 GBP
View
B
Retailer 15
-
$5,125 AUD
$3,600 USD
View
Most Expensive
B
MOH London
LG592363207 · Nov 1
$5,793 AUD
£3,204 GBP
View
15 more retailers have this diamond
Prices start from $1,039 AUDSave up to $4,754 AUD

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
$1,039 AUD