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Marquise|Lab Grown|IGI

1.20ct G VS1 Marquise Lab Grown Diamond

ID • G/VS1 • IGI LG833628082

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG833628082

Diamond specifications and retailer prices

From $279 AUD
As of November 4, 2026
Save $1,402 AUD (83%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,681 AUD at Reve Diamonds · As of November 4, 2026
View at Reve Diamonds

About this 1.2ct lab-grown marquise diamond

This 1.2ct lab-grown marquise sits in the classic one-carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG833628082 or 833628082. Listed at 18 retailers as of November 4, 2026, with prices from $279 to $1,681, a $1,402 spread on the same certified stone. Reve Diamonds lists it at $1,681. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.20
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.8°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG833628082
Dimensions10.30 × 5.75 × 3.51 mm
L/W Ratio1.79
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.30 mm5.75 mm1.20 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG833628082
Side View
Table 62.0%Crown 31.8°Girdle: STK-THKPavilion 40.5°Culet: NoneDepth 61.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $419 AUD|Low: $267 AUD|High: $1,630 AUD|Avg: $733 AUD|-2.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 5, 2026
Retailer 12$279 AUD
Retailer 3$344 AUD
Retailer 1$419 AUD
Retailer 9$464 AUD
Retailer 10$584 AUD
Retailer 8$594 AUD
Retailer 5$623 AUD
Retailer 7$840 AUD
Retailer 2$979 AUD
Retailer 4$1,109 AUD
Retailer 11$1,113 AUD
Retailer 6$1,607 AUD

36 data points across 12 retailers

18 retailers$279 AUD to $1,681 AUD

A
Cheapest Retailer
-
$279 AUD
A
Retailer 2
-
$310 AUD
View
Final sale: no returns
A
Retailer 3
-
$323 AUD
View
Retailer 4
-
$344 AUD
View
Price last confirmed 12 days ago
A
Retailer 5
-
$344 AUD
View
A
Retailer 6
-
$419 AUD
View
B+
Retailer 7
-
$464 AUD
View
Retailer 8
-
$584 AUD
View
Price last confirmed 10 days ago
A
Retailer 9
-
$594 AUD
View
A
Retailer 10
-
$620 AUD
View
A
Retailer 11
-
$623 AUD
View
B+
Retailer 12
-
$840 AUD
View
B+
Retailer 13
-
$979 AUD
View
B+
Retailer 14
-
$1,109 AUD
View
B
Retailer 15
-
$1,113 AUD
View
B
Retailer 16
-
$1,184 AUD
View
B
Retailer 17
-
$1,607 AUD
View
Most Expensive
B
Reve Diamonds
9CDE1B5BD · Nov 4
$1,681 AUD
$1,177 USD
View
17 more retailers have this diamond
Prices start from $279 AUDSave up to $1,402 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
1.20ct Marquise
$279 AUD