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Marquise|Lab Grown|IGI

1.21ct D VS1 Marquise Lab Grown Diamond

EX • D/VS1 • IGI LG809686335

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG809686335

Diamond specifications and retailer prices

From $351 NZD
As of November 4, 2026
Save $1,753 NZD (83%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $3,154 NZD at Queensmith · As of October 27, 2026
View at Queensmith

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 LG809686335 or 809686335. Listed at 22 retailers as of November 4, 2026, with a 499% 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

1.21
Carat
D
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.9°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG809686335
Dimensions11.12 × 5.49 × 3.29 mm
L/W Ratio2.03
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.12 mm5.49 mm1.21 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG809686335
Side View
Table 58.0%Crown 31.9°Girdle: STK-THKPavilion 39.5°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: Nov 4
Current: $788 NZD|Low: $341 NZD|High: $2,177 NZD|Avg: $965 NZD|+5.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
November 5, 2026
Retailer 6$351 NZD
Retailer 15$392 NZD
Retailer 2$435 NZD
Retailer 13$435 NZD
Retailer 5$589 NZD
Retailer 11$750 NZD
Retailer 12$761 NZD
Retailer 1$788 NZD
Retailer 8$825 NZD
Retailer 3$869 NZD
Retailer 10$1,061 NZD
Retailer 14$1,322 NZD
Retailer 16$1,405 NZD
Retailer 7$1,494 NZD
Retailer 9$2,033 NZD
Retailer 4$2,104 NZD

42 data points across 16 retailers

22 retailers$351 NZD to $2,104 NZD

Retailer 1
-
$341 NZD
Price last confirmed 36 days ago
Retailer 2
-
$351 NZD
View
Price last confirmed 17 days ago
A
Retailer 3
-
$351 NZD
View
A
Retailer 4
-
$392 NZD
View
Final sale: no returns
Retailer 5
-
$396 NZD
View
Price last confirmed 37 days ago
Retailer 6
-
$419 NZD
View
Price last confirmed 37 days ago
Retailer 7
-
$435 NZD
View
Price last confirmed 17 days ago
Retailer 8
-
$435 NZD
View
Price last confirmed 11 days ago
B+
Retailer 9
-
$589 NZD
View
A
Retailer 10
-
$750 NZD
View
Retailer 11
-
$761 NZD
View
Price last confirmed 9 days ago
A
Retailer 12
-
$788 NZD
View
A
Retailer 13
-
$825 NZD
View
A
Retailer 14
-
$869 NZD
View
B+
Retailer 15
-
$1,061 NZD
View
Retailer 16
-
$1,322 NZD
View
Price last confirmed 8 days ago
Retailer 17
-
$1,361 NZD
View
Price last confirmed 36 days ago
B
Retailer 18
-
$1,405 NZD
View
B
Retailer 19
-
$1,494 NZD
View
B
Retailer 20
-
$2,033 NZD
View
B
Retailer 21
-
$2,104 NZD
View
Most Expensive
Queensmith
LG809686335 · Oct 27
$3,154 NZD
£1,400 GBP
View
Price last confirmed 8 days ago
21 more retailers have this diamond
Prices start from $351 NZDSave up to $1,753 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
$351 NZD