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Marquise|Lab Grown|IGI

1.31ct F VS1 Marquise Lab Grown Diamond

ID • F/VS1 • IGI LG667430983

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG667430983

Diamond specifications and retailer prices

From $381 AUD
$267 USD
As of November 2, 2026
Save $1,710 AUD (82%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $3,382 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 F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG667430983 or 667430983. Listed at 25 retailers as of November 1, 2026, with a 449% 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
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG667430983
Dimensions11.70 × 5.69 × 3.50 mm
L/W Ratio2.06
Girdle conditionFaceted
Culet sizePointed
Top View
11.70 mm5.69 mm1.31 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG667430983
Side View
Table 62.0%Crown 36°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 61.5%

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: $3,696 AUD|Low: $367 AUD|High: $3,696 AUD|Avg: $1,204 AUD
Do Amore Diamonds
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
Retailer 17
Retailer 18
Retailer 19
November 2, 2026
Retailer 5$367 AUD
Retailer 7$425 AUD
Retailer 4$472 AUD
Retailer 11$579 AUD
Retailer 19$585 AUD
Retailer 8$632 AUD
Retailer 6$639 AUD
Retailer 12$900 AUD
Retailer 2$917 AUD
Retailer 15$944 AUD
Retailer 3$1,049 AUD
Retailer 17$1,153 AUD
Retailer 16$1,273 AUD
Retailer 18$1,453 AUD
Retailer 10$1,913 AUD
Retailer 14$1,983 AUD
Retailer 9$2,006 AUD
Retailer 13$2,091 AUD
Do Amore Diamonds$3,696 AUD

42 data points across 19 retailers

25 retailers$381 AUD to $2,091 AUD

Retailer 1
-
$367 AUD
$257 USD
Price last confirmed 31 days ago
A
Retailer 2
-
$381 AUD
$267 USD
View
A
Retailer 3
-
$425 AUD
$298 USD
View
Final sale: no returns
Retailer 4
-
$442 AUD
$310 USD
View
Price last confirmed 35 days ago
Retailer 5
-
$472 AUD
$331 USD
View
Price last confirmed 8 days ago
Retailer 6
-
$472 AUD
$331 USD
View
Price last confirmed 30 days ago
A
Retailer 7
-
$472 AUD
$331 USD
View
A
Retailer 8
-
$579 AUD
$406 USD
View
A
Retailer 9
-
$585 AUD
$410 USD
View
A
Retailer 10
-
$632 AUD
$443 USD
View
A
Retailer 11
-
$639 AUD
$448 USD
View
B+
Retailer 12
-
$900 AUD
ZAR 10,191 ZAR
View
B+
Retailer 13
-
$917 AUD
£506 GBP
View
B+
Retailer 14
-
$944 AUD
View
B+
Retailer 15
-
$1,049 AUD
$735 USD
View
Retailer 16
-
$1,153 AUD
View
Price last confirmed 8 days ago
B+
Retailer 17
-
$1,273 AUD
View
B
Retailer 18
-
$1,453 AUD
$1,018 USD
View
Retailer 19
-
$1,678 AUD
$1,176 USD
View
Price last confirmed 33 days ago
B
Retailer 20
-
$1,678 AUD
$1,176 USD
View
B
Retailer 21
-
$1,913 AUD
$1,341 USD
View
B
Retailer 22
-
$1,983 AUD
$1,390 USD
View
B
Retailer 23
-
$2,006 AUD
$1,406 USD
View
B
Retailer 24
-
$2,091 AUD
£1,154 GBP
View
Most Expensive
Do Amore Diamonds
27-FE57E0A4D · Nov 2
$3,382 AUD
$2,370 USD
View
Price under review
24 more retailers have this diamond
Prices start from $381 AUDSave up to $1,710 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
$381 AUD