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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 $617 NZD
As of November 4, 2026
Save $2,629 NZD (81%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $3,246 NZD 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 $617 to $3,246, a $2,629 spread on the same certified stone. Do Amore Diamonds lists it at $3,246. 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: $3,246 NZD|Low: $429 NZD|High: $3,246 NZD|Avg: $1,186 NZD
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$433 NZD
Retailer 2$617 NZD
Retailer 13$635 NZD
Retailer 12$655 NZD
Retailer 11$736 NZD
Retailer 7$1,132 NZD
Retailer 10$1,260 NZD
Retailer 3$1,313 NZD
Retailer 9$1,355 NZD
Retailer 5$1,432 NZD
Retailer 6$1,536 NZD
Retailer 8$1,857 NZD
Retailer 14$1,866 NZD
Do Amore Diamonds$3,246 NZD

36 data points across 14 retailers

15 retailers$617 NZD to $3,246 NZD

Retailer 1
-
$374 NZD
Price last confirmed 17 days ago
Retailer 2
-
$433 NZD
View
Price last confirmed 15 days ago
A
Retailer 3
-
$617 NZD
View
A
Retailer 4
-
$635 NZD
View
A
Retailer 5
-
$655 NZD
View
A
Retailer 6
-
$736 NZD
View
B+
Retailer 7
-
$1,132 NZD
View
B+
Retailer 8
-
$1,260 NZD
View
Retailer 9
-
$1,313 NZD
View
Price last confirmed 15 days ago
B+
Retailer 10
-
$1,355 NZD
View
Retailer 11
-
$1,432 NZD
View
Price last confirmed 27 days ago
Retailer 12
-
$1,490 NZD
View
Price last confirmed 17 days ago
B
Retailer 13
-
$1,857 NZD
View
B
Retailer 14
-
$1,866 NZD
View
Most Expensive
B
Do Amore Diamonds
27-9B054F409 · Nov 4
$3,246 NZD
$1,830 USD
View
14 more retailers have this diamond
Prices start from $617 NZDSave up to $2,629 NZD

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
$617 NZD