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Asscher|Lab Grown|IGI

1.21ct D FL Asscher Lab Grown Diamond

ID • D/FL • IGI LG840634763

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG840634763

Diamond specifications and retailer prices

From $640 NZD
As of November 4, 2026
Save $3,351 NZD (84%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $3,992 NZD at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 1.21ct lab-grown asscher diamond

This 1.21ct lab-grown asscher sits in the classic one-carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG840634763 or 840634763. Listed at 18 retailers as of November 4, 2026, with prices from $640 to $3,992, a $3,351 spread on the same certified stone. Brilliant Earth lists it at $3,992. 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
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.2°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840634763
Dimensions6.01 × 5.99 × 3.83 mm
L/W Ratio1.00
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.01 mm5.99 mm1.21 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840634763
Side View
Table 65.0%Crown 37.2°Girdle: MediumPavilion 41°Culet: NoneDepth 63.9%

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: $3,992 NZD|Low: $640 NZD|High: $4,009 NZD|Avg: $1,816 NZD|-0.4%
Brilliant Earth
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
Retailer 17
Retailer 18
November 5, 2026
Retailer 13$640 NZD
Retailer 14$717 NZD
Retailer 12$814 NZD
Retailer 10$866 NZD
Retailer 16$1,064 NZD
Retailer 15$1,272 NZD
Retailer 9$1,276 NZD
Retailer 7$1,387 NZD
Retailer 11$1,417 NZD
Retailer 18$1,432 NZD
Retailer 6$1,492 NZD
Retailer 3$2,003 NZD
Retailer 4$2,624 NZD
Retailer 5$2,629 NZD
Retailer 17$3,010 NZD
Retailer 2$3,092 NZD
Retailer 8$3,158 NZD
Brilliant Earth$3,992 NZD

20 data points across 18 retailers

18 retailers$640 NZD to $3,992 NZD

A
Cheapest Retailer
-
$640 NZD
A
Retailer 2
-
$717 NZD
View
Final sale: no returns
A
Retailer 3
-
$814 NZD
View
Retailer 4
-
$866 NZD
View
Price last confirmed 11 days ago
A
Retailer 5
-
$1,064 NZD
View
A
Retailer 6
-
$1,272 NZD
View
A
Retailer 7
-
$1,276 NZD
View
Retailer 8
-
$1,387 NZD
View
Price last confirmed 7 days ago
B+
Retailer 9
-
$1,417 NZD
View
B+
Retailer 10
-
$1,432 NZD
View
B+
Retailer 11
-
$1,492 NZD
View
B+
Retailer 12
-
$2,003 NZD
View
B+
Retailer 13
-
$2,624 NZD
View
B+
Retailer 14
-
$2,629 NZD
View
B
Retailer 15
-
$3,010 NZD
View
B+
Retailer 16
-
$3,092 NZD
View
Retailer 17
-
$3,158 NZD
View
Price last confirmed 17 days ago
Most Expensive
B
Brilliant Earth
21861679A · Nov 4
$3,992 NZD
$2,250 USD
View
17 more retailers have this diamond
Prices start from $640 NZDSave up to $3,351 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 Asscher
$640 NZD