Asscher|Lab Grown|IGI

3.39ct E SI1 Asscher Lab Grown Diamond

ID • E/SI1 • IGI LG688511522

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG688511522

Diamond specifications and retailer prices

From $397 USD
HK$3,100 HKD
As of October 28, 2026
Save $1,420 USD (78%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $1,817 USD at Diamond Quarter · As of October 29, 2026
View at Diamond Quarter

About this 3.39ct lab-grown asscher diamond

This 3.39ct lab-grown asscher sits in the three to five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG688511522 or 688511522. Listed at 7 retailers as of October 28, 2026, with prices from $397 to $1,817, a $1,420 spread on the same certified stone. Diamond Quarter lists it at $1,817. 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

3.39
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.1°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG688511522
Dimensions8.30 × 8.30 × 5.52 mm
L/W Ratio1.00
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.30 mm8.30 mm3.39 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG688511522
Side View
Table 63.0%Crown 38.1°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 66.5%

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 28
Current: $624 USD|Low: $397 USD|High: $5,560 USD|Avg: $1,798 USD|+0.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 29, 2026
Retailer 6$397 USD
Retailer 4$436 USD
Retailer 3$510 USD
Retailer 8$584 USD
Retailer 1$624 USD
Retailer 5$690 USD
Retailer 9$998 USD
Retailer 7$2,900 USD
Retailer 2$4,083 USD
Retailer 10$5,560 USD

2 data points across 10 retailers

7 retailers$397 USD to $1,817 USD

A
Cheapest Retailer
-
$397 USD
HK$3,100 HKD
A
Retailer 2
-
$436 USD
£344 GBP
View
A
Retailer 3
-
$510 USD
View
B+
Retailer 4
-
$584 USD
View
A
Retailer 5
-
$624 USD
£491 GBP
View
A
Retailer 6
-
$690 USD
View
Most Expensive
B
Diamond Quarter
3.39SI1ELG22DBBDN · Oct 29
$1,817 USD
£1,431 GBP
View
6 more retailers have this diamond
Prices start from $397 USDSave up to $1,420 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
3.39ct Asscher
$397 USD