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Marquise|Lab Grown|IGI

1.00ct H VS1 Marquise Lab Grown Diamond

ID • H/VS1 • IGI LG514252420

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG514252420

Diamond specifications and retailer prices

From $1,029 AUD
As of November 4, 2026
Save $3,649 AUD (78%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $4,678 AUD at MOH London · As of November 5, 2026
View at MOH London

About this 1ct lab-grown marquise diamond

This 1ct lab-grown marquise sits in the classic one-carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG514252420 or 514252420. Listed at 15 retailers as of November 4, 2026, with prices from $1,029 to $4,678, a $3,649 spread on the same certified stone. MOH London lists it at $4,678. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
H
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.3°
Pavilion angle33°
OriginLab Grown
Grading LabIGI
CertificateIGI LG514252420
Dimensions10.27 × 5.16 × 2.92 mm
L/W Ratio1.99
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
10.27 mm5.16 mm1.00 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG514252420
Side View
Table 61.5%Crown 39.3°Girdle: STK-THKPavilion 33°Culet: NoneDepth 56.6%

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 4
Current: $4,678 AUD|Low: $988 AUD|High: $4,752 AUD|Avg: $2,402 AUD|-0.3%
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 5, 2026
Retailer 12$1,029 AUD
Retailer 3$1,120 AUD
Retailer 4$1,152 AUD
Retailer 14$1,195 AUD
Retailer 13$1,368 AUD
Retailer 10$1,447 AUD
Retailer 7$1,876 AUD
Retailer 16$1,937 AUD
Retailer 2$2,194 AUD
Retailer 11$2,942 AUD
Retailer 9$3,112 AUD
Retailer 15$3,358 AUD
Retailer 8$3,420 AUD
Retailer 5$3,715 AUD
Retailer 6$3,739 AUD
MOH London$4,678 AUD

25 data points across 16 retailers

15 retailers$1,029 AUD to $4,678 AUD

A
Cheapest Retailer
-
$1,029 AUD
B+
Retailer 2
-
$1,120 AUD
View
B+
Retailer 3
-
$1,152 AUD
View
Final sale: no returns
Retailer 4
-
$1,195 AUD
View
Price last confirmed 19 days ago
B+
Retailer 5
-
$1,195 AUD
View
B+
Retailer 6
-
$1,368 AUD
View
B+
Retailer 7
-
$1,447 AUD
View
B
Retailer 8
-
$1,937 AUD
View
B
Retailer 9
-
$2,194 AUD
View
B
Retailer 10
-
$2,942 AUD
View
B
Retailer 11
-
$3,112 AUD
View
B
Retailer 12
-
$3,358 AUD
View
B
Retailer 13
-
$3,715 AUD
View
B
Retailer 14
-
$3,739 AUD
View
Most Expensive
B
MOH London
LG514252420 · Nov 5
$4,678 AUD
£2,584 GBP
View
14 more retailers have this diamond
Prices start from $1,029 AUDSave up to $3,649 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
1.00ct Marquise
$1,029 AUD