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 $197 USD
As of October 30, 2026
Save $923 USD (82%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $1,120 USD at Reve Diamonds · As of October 30, 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 $197 to $1,120, a $923 spread on the same certified stone. Reve Diamonds lists it at $1,120. 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
Color
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: $394 USD|Low: $139 USD|High: $1,120 USD|Avg: $554 USD|+5.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Reve Diamonds
October 30, 2026
Retailer 6$197 USD
Retailer 11$219 USD
Retailer 10$388 USD
Retailer 1$394 USD
Retailer 5$416 USD
Retailer 4$422 USD
Retailer 8$459 USD
Retailer 9$579 USD
Retailer 3$750 USD
Retailer 2$759 USD
Retailer 7$1,031 USD
Reve Diamonds$1,120 USD

41 data points across 12 retailers

12 retailers$197 USD to $1,120 USD

A
Cheapest Retailer
-
$197 USD
Final sale: no returns
A
Retailer 2
-
$219 USD
View
B+
Retailer 3
-
$388 USD
View
B+
Retailer 4
-
$394 USD
£310 GBP
View
B+
Retailer 5
-
$416 USD
£328 GBP
View
B+
Retailer 6
-
$422 USD
€402 EUR
View
B+
Retailer 7
-
$459 USD
View
B
Retailer 8
-
$579 USD
View
B
Retailer 9
-
$750 USD
View
B
Retailer 10
-
$759 USD
View
B
Retailer 11
-
$1,031 USD
£812 GBP
View
Most Expensive
B
Reve Diamonds
485F7E030 · Oct 30
$1,120 USD
View
11 more retailers have this diamond
Prices start from $197 USDSave up to $923 USD

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
$197 USD