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Marquise|Lab Grown|IGI

1.51ct K VS1 Marquise Lab Grown Diamond

ID • K/VS1 • IGI LG436073601

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG436073601

Diamond specifications and retailer prices

From $1,440 AUD
As of November 6, 2026
Save $4,209 AUD (75%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $5,649 AUD at MOH London · As of November 5, 2026
View at MOH London

About this 1.51ct lab-grown marquise diamond

This 1.51ct lab-grown marquise sits in the one-and-a-half to two carat band, graded K colour (faint-tinted) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG436073601 or 436073601. Listed at 10 retailers as of November 5, 2026, with prices from $1,440 to $5,649, a $4,209 spread on the same certified stone. MOH London lists it at $5,649. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
K
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG436073601
Dimensions11.03 × 6.12 × 3.88 mm
L/W Ratio1.80
Girdle conditionFaceted
Cert comments
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Top View
11.03 mm6.12 mm1.51 ctK / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG436073601
Side View
Table 57.5%Crown 35.9°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 63.4%

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 6
Current: $5,649 AUD|Low: $1,383 AUD|High: $5,740 AUD|Avg: $3,097 AUD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 5, 2026
Retailer 4$1,440 AUD
Retailer 5$1,670 AUD
Retailer 3$1,921 AUD
Retailer 6$2,666 AUD
Retailer 2$3,073 AUD
Retailer 7$3,491 AUD
MOH London$5,649 AUD

24 data points across 7 retailers

10 retailers$1,440 AUD to $5,649 AUD

A
Cheapest Retailer
-
$1,440 AUD
A
Retailer 2
-
$1,567 AUD
View
Retailer 3
-
$1,670 AUD
View
Price last confirmed 25 days ago
A
Retailer 4
-
$1,670 AUD
View
A
Retailer 5
-
$1,921 AUD
View
A
Retailer 6
-
$2,666 AUD
View
B+
Retailer 7
-
$3,073 AUD
View
B+
Retailer 8
-
$3,131 AUD
View
B+
Retailer 9
-
$3,491 AUD
View
Most Expensive
B
MOH London
LG436073601 · Nov 5
$5,649 AUD
£3,114 GBP
View
9 more retailers have this diamond
Prices start from $1,440 AUDSave up to $4,209 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
1.51ct Marquise
$1,440 AUD