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Asscher|Lab Grown|IGI

1.00ct D SI1 Asscher Lab Grown Diamond

ID • D/SI1 • IGI LG787660874

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG787660874

Diamond specifications and retailer prices

From $256 NZD
As of November 4, 2026
Save $1,547 NZD (86%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,803 NZD at Reve Diamonds · As of November 6, 2026
View at Reve Diamonds

About this 1ct lab-grown asscher diamond

This 1ct lab-grown asscher sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG787660874 or 787660874. Listed at 18 retailers as of November 4, 2026, with prices from $256 to $1,803, a $1,547 spread on the same certified stone. Reve Diamonds lists it at $1,803. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.00
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.4°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG787660874
Dimensions5.58 × 5.47 × 3.67 mm
L/W Ratio1.02
Girdle conditionFaceted
Culet sizePointed
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
5.58 mm5.47 mm1.00 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG787660874
Side View
Table 63.0%Crown 33.4°Girdle: MED-STKPavilion 39.9°Culet: NoneDepth 67.1%

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: $377 NZD|Low: $251 NZD|High: $1,803 NZD|Avg: $645 NZD|+0.5%
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
Reve Diamonds
November 6, 2026
Retailer 14$256 NZD
Retailer 12$297 NZD
Retailer 8$310 NZD
Retailer 5$317 NZD
Retailer 1$377 NZD
Retailer 7$539 NZD
Retailer 6$541 NZD
Retailer 2$589 NZD
Retailer 3$601 NZD
Retailer 9$831 NZD
Retailer 13$884 NZD
Retailer 11$1,019 NZD
Retailer 4$1,117 NZD
Retailer 10$1,482 NZD
Reve Diamonds$1,803 NZD

33 data points across 15 retailers

18 retailers$256 NZD to $1,803 NZD

A
Cheapest Retailer
-
$256 NZD
A
Retailer 2
-
$297 NZD
View
A
Retailer 3
-
$310 NZD
View
Final sale: no returns
Retailer 4
-
$310 NZD
View
Price last confirmed 12 days ago
A
Retailer 5
-
$317 NZD
View
A
Retailer 6
-
$377 NZD
View
A
Retailer 7
-
$539 NZD
View
Retailer 8
-
$541 NZD
View
Price last confirmed 8 days ago
A
Retailer 9
-
$589 NZD
View
A
Retailer 10
-
$601 NZD
View
B+
Retailer 11
-
$831 NZD
View
B
Retailer 12
-
$884 NZD
View
Retailer 13
-
$936 NZD
View
Price last confirmed 117 days ago
B
Retailer 14
-
$1,019 NZD
View
B
Retailer 15
-
$1,117 NZD
View
B
Retailer 16
-
$1,121 NZD
View
B
Retailer 17
-
$1,482 NZD
View
Most Expensive
B
Reve Diamonds
7AFD8FDEF · Nov 6
$1,803 NZD
$1,014 USD
View
17 more retailers have this diamond
Prices start from $256 NZDSave up to $1,547 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
1.00ct Asscher
$256 NZD