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Marquise|Lab Grown|IGI

1.20ct E VS1 Marquise Lab Grown Diamond

VG • E/VS1 • IGI LG836626484

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG836626484

Diamond specifications and retailer prices

From $298 AUD
$209 USD
As of October 30, 2026
Save $1,345 AUD (82%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $1,642 AUD at Reve Diamonds · As of October 30, 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 E colour (colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG836626484 or 836626484. Listed at 12 retailers as of October 30, 2026, with prices from $298 to $1,642, a $1,345 spread on the same certified stone. Reve Diamonds lists it at $1,642. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.20
Carat
E
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle29.9°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836626484
Dimensions11.39 × 5.64 × 3.38 mm
L/W Ratio2.02
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.39 mm5.64 mm1.20 ctE / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836626484
Side View
Table 59.0%Crown 29.9°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 59.9%

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: Oct 30
Current: $1,068 AUD|Low: $298 AUD|High: $1,642 AUD|Avg: $846 AUD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Reve Diamonds
October 31, 2026
Retailer 3$298 AUD
Retailer 5$416 AUD
Retailer 9$448 AUD
Retailer 7$586 AUD
Retailer 4$599 AUD
Retailer 8$609 AUD
Retailer 2$1,038 AUD
Retailer 1$1,068 AUD
Retailer 10$1,141 AUD
Retailer 6$1,555 AUD
Reve Diamonds$1,642 AUD

31 data points across 11 retailers

12 retailers$298 AUD to $1,642 AUD

A
Cheapest Retailer
-
$298 AUD
$209 USD
Final sale: no returns
A
Retailer 2
-
$330 AUD
$232 USD
View
A
Retailer 3
-
$416 AUD
£230 GBP
View
B+
Retailer 4
-
$448 AUD
$315 USD
View
A
Retailer 5
-
$586 AUD
€392 EUR
View
A
Retailer 6
-
$599 AUD
£331 GBP
View
A
Retailer 7
-
$609 AUD
$428 USD
View
Retailer 8
-
$1,038 AUD
View
Price last confirmed 24 days ago
B
Retailer 9
-
$1,068 AUD
$750 USD
View
B
Retailer 10
-
$1,141 AUD
$801 USD
View
B
Retailer 11
-
$1,555 AUD
£860 GBP
View
Most Expensive
B
Reve Diamonds
058B73B69 · Oct 30
$1,642 AUD
$1,154 USD
View
11 more retailers have this diamond
Prices start from $298 AUDSave up to $1,345 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
$298 AUD