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Asscher|Lab Grown|IGI

1.00ct D SI1 Asscher Lab Grown Diamond

ID • D/SI1 • IGI LG687546323

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG687546323

Diamond specifications and retailer prices

From $350 NZD
$197 USD
As of October 30, 2026
Save $1,637 NZD (82%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $1,987 NZD at Reve Diamonds · As of November 1, 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 LG687546323 or 687546323. Listed at 12 retailers as of October 30, 2026, with prices from $350 to $1,987, a $1,637 spread on the same certified stone. Reve Diamonds lists it at $1,987. 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 angle32.8°
Pavilion angle38.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG687546323
Dimensions5.59 × 5.55 × 3.63 mm
L/W Ratio1.01
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
5.59 mm5.55 mm1.00 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG687546323
Side View
Table 62.0%Crown 32.8°Girdle: MediumPavilion 38.5°Culet: NoneDepth 65.4%

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: Oct 30
Current: $1,818 NZD|Low: $348 NZD|High: $1,987 NZD|Avg: $984 NZD|-0.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Reve Diamonds
November 1, 2026
Retailer 7$350 NZD
Retailer 11$389 NZD
Retailer 10$688 NZD
Retailer 4$698 NZD
Retailer 6$739 NZD
Retailer 5$749 NZD
Retailer 8$814 NZD
Retailer 9$1,027 NZD
Retailer 3$1,331 NZD
Retailer 2$1,347 NZD
Retailer 1$1,818 NZD
Reve Diamonds$1,987 NZD

42 data points across 12 retailers

12 retailers$350 NZD to $1,987 NZD

A
Cheapest Retailer
-
$350 NZD
$197 USD
Final sale: no returns
Retailer 2
-
$389 NZD
$219 USD
View
Price last confirmed 8 days ago
B+
Retailer 3
-
$688 NZD
$388 USD
View
B+
Retailer 4
-
$698 NZD
£310 GBP
View
B+
Retailer 5
-
$739 NZD
£328 GBP
View
B+
Retailer 6
-
$749 NZD
€402 EUR
View
B+
Retailer 7
-
$814 NZD
$459 USD
View
B
Retailer 8
-
$1,027 NZD
$579 USD
View
B
Retailer 9
-
$1,331 NZD
$750 USD
View
B
Retailer 10
-
$1,347 NZD
$759 USD
View
B
Retailer 11
-
$1,818 NZD
£807 GBP
View
Most Expensive
B
Reve Diamonds
485F7E030 · Nov 1
$1,987 NZD
$1,120 USD
View
11 more retailers have this diamond
Prices start from $350 NZDSave up to $1,637 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
$350 NZD