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Asscher|Lab Grown|IGI

1.09ct D FL Asscher Lab Grown Diamond

EX • D/FL • IGI LG831687358

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG831687358

Diamond specifications and retailer prices

From $288 USD
£227 GBP
As of November 2, 2026
Save $2,342 USD (89%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $2,630 USD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

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 FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG831687358 or 831687358. Listed at 19 retailers as of November 2, 2026, with prices from $288 to $2,630, a $2,342 spread on the same certified stone. Brilliant Earth lists it at $2,630. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.09
Carat
D
Color
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.6°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831687358
Dimensions5.74 × 5.70 × 3.61 mm
L/W Ratio1.01
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
5.74 mm5.70 mm1.09 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831687358
Side View
Table 65.0%Crown 32.6°Girdle: Slightly ThickPavilion 39.7°Culet: NoneDepth 63.3%

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 2
Current: $2,630 USD|Low: $288 USD|High: $2,890 USD|Avg: $849 USD|-9.0%
Brilliant Earth
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
Retailer 17
Retailer 18
Retailer 19
November 3, 2026
Retailer 12$288 USD
Retailer 10$308 USD
Retailer 7$357 USD
Retailer 3$371 USD
Retailer 4$382 USD
Retailer 17$382 USD
Retailer 2$522 USD
Retailer 18$535 USD
Retailer 16$622 USD
Retailer 5$624 USD
Retailer 14$659 USD
Retailer 6$664 USD
Retailer 15$715 USD
Retailer 13$950 USD
Retailer 11$1,177 USD
Retailer 19$1,228 USD
Retailer 9$1,275 USD
Retailer 8$1,609 USD
Brilliant Earth$2,630 USD

12 data points across 19 retailers

19 retailers$288 USD to $2,630 USD

A
Cheapest Retailer
-
$288 USD
£227 GBP
A
Retailer 2
-
$308 USD
View
A
Retailer 3
-
$357 USD
View
A
Retailer 4
-
$371 USD
View
Final sale: no returns
Retailer 5
-
$382 USD
View
Price last confirmed 8 days ago
A
Retailer 6
-
$382 USD
View
A
Retailer 7
-
$522 USD
£411 GBP
View
A
Retailer 8
-
$535 USD
View
A
Retailer 9
-
$622 USD
View
A
Retailer 10
-
$624 USD
View
A
Retailer 11
-
$659 USD
ZAR 10,641 ZAR
View
B+
Retailer 12
-
$664 USD
View
B+
Retailer 13
-
$715 USD
€681 EUR
View
B+
Retailer 14
-
$950 USD
View
B+
Retailer 15
-
$1,177 USD
SGD 1,591 SGD
View
B
Retailer 16
-
$1,228 USD
View
B
Retailer 17
-
$1,275 USD
View
B
Retailer 18
-
$1,609 USD
View
Most Expensive
B
Brilliant Earth
22236824A · Nov 2
$2,630 USD
View
18 more retailers have this diamond
Prices start from $288 USDSave up to $2,342 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
$288 USD