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Marquise|Lab Grown|IGI

1.31ct G VS1 Marquise Lab Grown Diamond

ID • G/VS1 • IGI LG842615264

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG842615264

Diamond specifications and retailer prices

From $320 AUD
$224 USD
As of November 2, 2026
Save $1,089 AUD (77%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $3,068 AUD at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 1.31ct lab-grown marquise diamond

This 1.31ct lab-grown marquise sits in the one-and-a-quarter to one-and-a-half carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG842615264 or 842615264. Listed at 11 retailers as of October 31, 2026, with a 341% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.31
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle38.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG842615264
Dimensions11.84 × 5.79 × 3.40 mm
L/W Ratio2.04
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.84 mm5.79 mm1.31 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG842615264
Side View
Table 57.0%Crown 33.9°Girdle: MED-STKPavilion 38.4°Culet: NoneDepth 58.7%

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: $3,068 AUD|Low: $320 AUD|High: $3,068 AUD|Avg: $920 AUD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 3, 2026
Retailer 10$320 AUD
Retailer 8$358 AUD
Retailer 5$371 AUD
Retailer 6$397 AUD
Retailer 9$397 AUD
Retailer 4$756 AUD
Retailer 2$833 AUD
Retailer 7$853 AUD
Retailer 3$1,321 AUD
Retailer 11$1,408 AUD
Do Amore Diamonds$3,068 AUD

19 data points across 11 retailers

11 retailers$320 AUD to $1,408 AUD

A
Cheapest Retailer
-
$320 AUD
$224 USD
A
Retailer 2
-
$358 AUD
$251 USD
View
Final sale: no returns
A
Retailer 3
-
$371 AUD
$260 USD
View
A
Retailer 4
-
$397 AUD
$278 USD
View
Retailer 5
-
$397 AUD
$278 USD
View
Price last confirmed 8 days ago
A
Retailer 6
-
$756 AUD
ZAR 8,563 ZAR
View
B+
Retailer 7
-
$833 AUD
£459 GBP
View
B+
Retailer 8
-
$853 AUD
$598 USD
View
B
Retailer 9
-
$1,321 AUD
$926 USD
View
B
Retailer 10
-
$1,408 AUD
$987 USD
View
Most Expensive
Do Amore Diamonds
27-ECEA38109 · Nov 2
$3,068 AUD
$2,150 USD
View
Price under review
10 more retailers have this diamond
Prices start from $320 AUDSave up to $1,089 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
1.31ct Marquise
$320 AUD