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Marquise|Lab Grown|IGI

1.21ct D VS1 Marquise Lab Grown Diamond

EX • D/VS1 • IGI LG825605300

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG825605300

Diamond specifications and retailer prices

From $496 AUD
As of November 4, 2026
Save $2,113 AUD (81%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $2,609 AUD at Do Amore Diamonds · As of November 4, 2026
View at Do Amore Diamonds

About this 1.21ct lab-grown marquise diamond

This 1.21ct lab-grown marquise sits in the classic one-carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG825605300 or 825605300. Listed at 15 retailers as of November 4, 2026, with prices from $496 to $2,609, a $2,113 spread on the same certified stone. Do Amore Diamonds lists it at $2,609. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
D
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825605300
Dimensions10.77 × 5.56 × 3.58 mm
L/W Ratio1.94
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.77 mm5.56 mm1.21 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825605300
Side View
Table 58.0%Crown 35.1°Girdle: MED-STKPavilion 41°Culet: NoneDepth 64.4%

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: $2,609 AUD|Low: $345 AUD|High: $2,609 AUD|Avg: $953 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
November 4, 2026
Retailer 4$348 AUD
Retailer 2$496 AUD
Retailer 13$510 AUD
Retailer 12$526 AUD
Retailer 11$592 AUD
Retailer 7$909 AUD
Retailer 10$1,012 AUD
Retailer 3$1,055 AUD
Retailer 9$1,089 AUD
Retailer 5$1,150 AUD
Retailer 6$1,234 AUD
Retailer 8$1,492 AUD
Retailer 14$1,500 AUD
Do Amore Diamonds$2,609 AUD

36 data points across 14 retailers

15 retailers$496 AUD to $2,609 AUD

Retailer 1
-
$301 AUD
Price last confirmed 16 days ago
Retailer 2
-
$348 AUD
View
Price last confirmed 14 days ago
A
Retailer 3
-
$496 AUD
View
A
Retailer 4
-
$510 AUD
View
A
Retailer 5
-
$526 AUD
View
A
Retailer 6
-
$592 AUD
View
B+
Retailer 7
-
$909 AUD
View
B+
Retailer 8
-
$1,012 AUD
View
Retailer 9
-
$1,055 AUD
View
Price last confirmed 14 days ago
B+
Retailer 10
-
$1,089 AUD
View
Retailer 11
-
$1,150 AUD
View
Price last confirmed 26 days ago
Retailer 12
-
$1,197 AUD
View
Price last confirmed 16 days ago
B
Retailer 13
-
$1,492 AUD
View
B
Retailer 14
-
$1,500 AUD
View
Most Expensive
B
Do Amore Diamonds
27-9B054F409 · Nov 4
$2,609 AUD
$1,830 USD
View
14 more retailers have this diamond
Prices start from $496 AUDSave up to $2,113 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
1.21ct Marquise
$496 AUD