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Asscher|Lab Grown|IGI

3.05ct E SI1 Asscher Lab Grown Diamond

ID • E/SI1 • IGI LG551278997

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG551278997

Diamond specifications and retailer prices

From $461 USD
HK$3,600 HKD
As of October 28, 2026
Save $1,859 USD (80%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $2,320 USD at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 3.05ct lab-grown asscher diamond

This 3.05ct 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 LG551278997 or 551278997. Listed at 10 retailers as of October 28, 2026, with prices from $461 to $2,320, a $1,859 spread on the same certified stone. Rare Carat lists it at $2,320. 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

3.05
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.1°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG551278997
Dimensions7.94 × 7.94 × 5.33 mm
L/W Ratio1.00
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.94 mm7.94 mm3.05 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG551278997
Side View
Table 66.0%Crown 38.1°Girdle: MediumPavilion 41°Culet: NoneDepth 67.1%

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 28
Current: $2,320 USD|Low: $461 USD|High: $5,090 USD|Avg: $1,651 USD
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 29, 2026
Retailer 9$461 USD
Retailer 7$516 USD
Retailer 5$570 USD
Retailer 11$675 USD
Retailer 8$737 USD
Retailer 2$749 USD
Retailer 12$965 USD
Retailer 10$1,390 USD
Retailer 6$1,688 USD
Rare Carat$2,320 USD
Retailer 3$3,674 USD
Retailer 4$5,090 USD

2 data points across 12 retailers

10 retailers$461 USD to $2,320 USD

A
Cheapest Retailer
-
$461 USD
HK$3,600 HKD
A
Retailer 2
-
$516 USD
£406 GBP
View
A
Retailer 3
-
$570 USD
View
B+
Retailer 4
-
$675 USD
View
A
Retailer 5
-
$737 USD
View
A
Retailer 6
-
$749 USD
£590 GBP
View
B+
Retailer 7
-
$1,390 USD
View
B
Retailer 8
-
$1,642 USD
£1,293 GBP
View
B
Retailer 9
-
$1,688 USD
£1,329 GBP
View
Most Expensive
B
Rare Carat
KI9972789KF551 · Oct 28
$2,320 USD
View
9 more retailers have this diamond
Prices start from $461 USDSave up to $1,859 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
3.05ct Asscher
$461 USD