Asscher|Lab Grown|IGI

1.09ct D SI1 Asscher Lab Grown Diamond

ID • D/SI1 • IGI LG680572148

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG680572148

Diamond specifications and retailer prices

From $142 USD
As of October 30, 2026
Save $682 USD (83%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $824 USD at MOH London · As of November 1, 2026
View at MOH London

About this 1.09ct lab-grown asscher diamond

This 1.09ct 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 LG680572148 or 680572148. Listed at 13 retailers as of October 30, 2026, with prices from $142 to $824, a $682 spread on the same certified stone. MOH London lists it at $824. 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

1.09
Carat
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle29.9°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG680572148
Dimensions5.79 × 5.74 × 3.77 mm
L/W Ratio1.01
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.79 mm5.74 mm1.09 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG680572148
Side View
Table 66.0%Crown 29.9°Girdle: MediumPavilion 40.4°Culet: NoneDepth 65.7%

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: $824 USD|Low: $142 USD|High: $900 USD|Avg: $412 USD|-0.5%
MOH London
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
Retailer 16
November 1, 2026
Retailer 5$142 USD
Retailer 4$165 USD
Retailer 11$176 USD
Retailer 3$205 USD
Retailer 2$211 USD
Retailer 6$292 USD
Retailer 9$302 USD
Retailer 15$328 USD
Retailer 16$335 USD
Retailer 12$424 USD
Retailer 14$545 USD
Retailer 13$566 USD
Retailer 10$598 USD
Retailer 7$716 USD
MOH London$824 USD
Retailer 8$900 USD

6 data points across 16 retailers

13 retailers$142 USD to $824 USD

A
Cheapest Retailer
-
$142 USD
A
Retailer 2
-
$165 USD
View
A
Retailer 3
-
$176 USD
View
A
Retailer 4
-
$205 USD
HK$1,600 HKD
View
A
Retailer 5
-
$211 USD
£166 GBP
View
A
Retailer 6
-
$302 USD
£238 GBP
View
A
Retailer 7
-
$328 USD
View
A
Retailer 8
-
$335 USD
£264 GBP
View
B+
Retailer 9
-
$424 USD
View
B+
Retailer 10
-
$566 USD
View
B
Retailer 11
-
$598 USD
View
B
Retailer 12
-
$677 USD
£533 GBP
View
Most Expensive
B
MOH London
LG680572148 · Nov 1
$824 USD
£649 GBP
View
12 more retailers have this diamond
Prices start from $142 USDSave up to $682 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
1.09ct Asscher
$142 USD