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Asscher|Lab Grown|IGI

2.57ct D IF Asscher Lab Grown Diamond

ID • D/IF • IGI LG837615621

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG837615621

Diamond specifications and retailer prices

From $2,225 NZD
$1,254 USD
As of October 31, 2026
Save $9,592 NZD (81%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $11,817 NZD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 2.57ct lab-grown asscher diamond

This 2.57ct lab-grown asscher sits in the two to three carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG837615621 or 837615621. Listed at 20 retailers as of October 31, 2026, with prices from $2,225 to $11,817, a $9,592 spread on the same certified stone. Brilliant Earth lists it at $11,817. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

2.57
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.8°
Pavilion angle42.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837615621
Dimensions7.49 × 7.45 × 5.05 mm
L/W Ratio1.01
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
7.49 mm7.45 mm2.57 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837615621
Side View
Table 66.0%Crown 32.8°Girdle: ThickPavilion 42.4°Culet: NoneDepth 67.8%

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: Oct 31
Current: $11,817 NZD|Low: $2,225 NZD|High: $11,817 NZD|Avg: $4,514 NZD
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
November 1, 2026
Retailer 10$2,225 NZD
Retailer 12$2,546 NZD
Retailer 7$2,573 NZD
Retailer 3$2,657 NZD
Retailer 2$3,343 NZD
Retailer 4$3,666 NZD
Retailer 14$3,676 NZD
Retailer 9$3,908 NZD
Retailer 11$4,677 NZD
Retailer 8$5,475 NZD
Retailer 13$5,950 NZD
Retailer 6$6,354 NZD
Retailer 15$7,450 NZD
Retailer 5$7,709 NZD
Brilliant Earth$11,817 NZD

17 data points across 15 retailers

20 retailers$2,225 NZD to $11,817 NZD

Retailer 1
-
$2,078 NZD
$1,171 USD
Price last confirmed 18 days ago
A
Retailer 2
-
$2,225 NZD
$1,254 USD
View
Final sale: no returns
Retailer 3
-
$2,392 NZD
$1,348 USD
View
Price last confirmed 16 days ago
Retailer 4
-
$2,427 NZD
$1,368 USD
View
Price last confirmed 19 days ago
A
Retailer 5
-
$2,546 NZD
£1,130 GBP
View
A
Retailer 6
-
$2,573 NZD
$1,450 USD
View
A
Retailer 7
-
$2,657 NZD
HK$11,700 HKD
View
A
Retailer 8
-
$3,343 NZD
£1,484 GBP
View
A
Retailer 9
-
$3,666 NZD
$2,066 USD
View
A
Retailer 10
-
$3,676 NZD
€1,973 EUR
View
A
Retailer 11
-
$3,908 NZD
HK$17,206 HKD
View
Retailer 12
-
$4,548 NZD
$2,563 USD
View
Price last confirmed 19 days ago
A
Retailer 13
-
$4,677 NZD
$2,636 USD
View
B+
Retailer 14
-
$5,475 NZD
A$4,747 AUD
View
B+
Retailer 15
-
$5,950 NZD
ZAR 54,174 ZAR
View
B+
Retailer 16
-
$6,354 NZD
£2,820 GBP
View
B+
Retailer 17
-
$6,879 NZD
$3,877 USD
View
B+
Retailer 18
-
$7,450 NZD
£3,306 GBP
View
B+
Retailer 19
-
$7,709 NZD
SGD 5,871 SGD
View
Most Expensive
B
Brilliant Earth
21574256A · Oct 31
$11,817 NZD
$6,660 USD
View
19 more retailers have this diamond
Prices start from $2,225 NZDSave up to $9,592 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
2.57ct Asscher
$2,225 NZD