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Asscher|Lab Grown|IGI

1.09ct E IF Asscher Lab Grown Diamond

ID • E/IF • IGI LG620431816

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG620431816

Diamond specifications and retailer prices

From $278 USD
As of October 30, 2026
Save $1,992 USD (88%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $2,270 USD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 1.09ct lab-grown asscher diamond

This 1.09ct lab-grown asscher sits in the classic one-carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG620431816 or 620431816. Listed at 19 retailers as of October 29, 2026, with prices from $278 to $2,270, a $1,992 spread on the same certified stone. Do Amore Diamonds lists it at $2,270. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.09
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG620431816
Dimensions5.64 × 5.63 × 3.86 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
5.64 mm5.63 mm1.09 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG620431816
Side View
Table 63.0%Crown 34.7°Girdle: MediumPavilion 41.3°Culet: NoneDepth 68.6%

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: Oct 30
Current: $620 USD|Low: $265 USD|High: $1,620 USD|Avg: $760 USD|+4.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 10$278 USD
Retailer 12$460 USD
Retailer 3$528 USD
Retailer 5$539 USD
Retailer 8$557 USD
Retailer 1$620 USD
Retailer 4$719 USD
Retailer 7$789 USD
Retailer 9$894 USD
Retailer 11$1,160 USD
Retailer 6$1,307 USD
Retailer 2$1,620 USD

43 data points across 12 retailers

19 retailers$278 USD to $2,270 USD

A
Cheapest Retailer
-
$278 USD
Final sale: no returns
A
Retailer 2
-
$448 USD
HK$3,500 HKD
View
A
Retailer 3
-
$460 USD
View
A
Retailer 4
-
$509 USD
View
A
Retailer 5
-
$528 USD
View
A
Retailer 6
-
$539 USD
€513 EUR
View
A
Retailer 7
-
$557 USD
ZAR 9,000 ZAR
View
A
Retailer 8
-
$620 USD
£488 GBP
View
A
Retailer 9
-
$719 USD
View
B+
Retailer 10
-
$789 USD
A$1,214 AUD
View
B+
Retailer 11
-
$894 USD
A$1,375 AUD
View
B+
Retailer 12
-
$1,086 USD
SGD 1,467 SGD
View
B+
Retailer 13
-
$1,160 USD
View
B+
Retailer 14
-
$1,211 USD
View
B+
Retailer 15
-
$1,307 USD
£1,029 GBP
View
B
Retailer 16
-
$1,310 USD
View
B
Retailer 17
-
$1,458 USD
£1,148 GBP
View
B
Retailer 18
-
$1,620 USD
View
Most Expensive
B
Do Amore Diamonds
27-70ADD417F · Oct 29
$2,270 USD
View
18 more retailers have this diamond
Prices start from $278 USDSave up to $1,992 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
$278 USD