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Asscher|Lab Grown|IGI

1.00ct D SI1 Asscher Lab Grown Diamond

ID • D/SI1 • IGI LG687546306

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG687546306

Diamond specifications and retailer prices

From $177 USD
As of October 30, 2026
Save $943 USD (84%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,120 USD 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 LG687546306 or 687546306. Listed at 16 retailers as of October 30, 2026, with prices from $177 to $1,120, a $943 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 angle37.9°
Pavilion angle44.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG687546306
Dimensions5.52 × 5.51 × 3.65 mm
L/W Ratio1.00
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
5.52 mm5.51 mm1.00 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG687546306
Side View
Table 67.0%Crown 37.9°Girdle: Slightly ThickPavilion 44.7°Culet: NoneDepth 66.2%

Caratlytics Score

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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 30
Current: $394 USD|Low: $177 USD|High: $1,120 USD|Avg: $540 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
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Reve Diamonds
November 2, 2026
Retailer 12$177 USD
Retailer 4$197 USD
Retailer 11$205 USD
Retailer 6$219 USD
Retailer 9$219 USD
Retailer 5$388 USD
Retailer 1$394 USD
Retailer 14$416 USD
Retailer 13$422 USD
Retailer 2$459 USD
Retailer 3$579 USD
Retailer 15$650 USD
Retailer 10$705 USD
Retailer 7$759 USD
Retailer 8$1,025 USD
Reve Diamonds$1,120 USD

43 data points across 16 retailers

16 retailers$177 USD to $1,120 USD

A
Cheapest Retailer
-
$177 USD
A
Retailer 2
-
$197 USD
View
Final sale: no returns
A
Retailer 3
-
$205 USD
View
Retailer 4
-
$219 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
$219 USD
View
B+
Retailer 6
-
$388 USD
View
B+
Retailer 7
-
$394 USD
£310 GBP
View
B+
Retailer 8
-
$416 USD
£328 GBP
View
B+
Retailer 9
-
$422 USD
€402 EUR
View
B+
Retailer 10
-
$459 USD
View
B
Retailer 11
-
$579 USD
View
Retailer 12
-
$650 USD
View
Price last confirmed 16 days ago
B
Retailer 13
-
$705 USD
View
B
Retailer 14
-
$759 USD
View
B
Retailer 15
-
$1,025 USD
£807 GBP
View
Most Expensive
B
Reve Diamonds
4A0D84437 · Nov 1
$1,120 USD
View
15 more retailers have this diamond
Prices start from $177 USDSave up to $943 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
$177 USD