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Asscher|Lab Grown|IGI

1.37ct D IF Asscher Lab Grown Diamond

ID • D/IF • IGI LG837680644

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG837680644

Diamond specifications and retailer prices

From $438 NZD
As of November 4, 2026
Save $1,316 NZD (75%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $6,564 NZD at Brilliant Earth · As of October 26, 2026
View at Brilliant Earth

About this 1.37ct lab-grown asscher diamond

This 1.37ct lab-grown asscher sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG837680644 or 837680644. Listed at 9 retailers as of November 4, 2026, with a 300% 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

1.37
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.2°
Pavilion angle43.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837680644
Dimensions6.21 × 6.21 × 3.99 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
6.21 mm6.21 mm1.37 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837680644
Side View
Table 58.0%Crown 31.2°Girdle: MediumPavilion 43.6°CuletDepth 64.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $6,564 NZD|Low: $419 NZD|High: $6,777 NZD|Avg: $2,232 NZD|-3.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 3, 2026
Retailer 6$438 NZD
Retailer 5$905 NZD
Retailer 8$981 NZD
Retailer 2$1,332 NZD
Retailer 4$1,749 NZD
Retailer 3$1,754 NZD
Retailer 7$2,081 NZD
Brilliant Earth$6,564 NZD

25 data points across 8 retailers

9 retailers$438 NZD to $1,754 NZD

A
Cheapest Retailer
-
$438 NZD
Retailer 2
-
$509 NZD
View
Price last confirmed 41 days ago
Retailer 3
-
$905 NZD
View
Price last confirmed 8 days ago
Retailer 4
-
$981 NZD
View
Price last confirmed 11 days ago
A
Retailer 5
-
$1,332 NZD
View
B+
Retailer 6
-
$1,749 NZD
View
B+
Retailer 7
-
$1,754 NZD
View
Retailer 8
-
$2,081 NZD
View
Price last confirmed 10 days ago
Most Expensive
Brilliant Earth
21566876A · Oct 26
$6,564 NZD
$3,700 USD
View
Price last confirmed 9 days ago
8 more retailers have this diamond
Prices start from $438 NZDSave up to $1,316 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
1.37ct Asscher
$438 NZD