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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 $820 NZD
HK$3,600 HKD
As of October 30, 2026
Save $3,310 NZD (80%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $4,131 NZD 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 $820 to $4,131, a $3,310 spread on the same certified stone. Rare Carat lists it at $4,131. 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
Colour
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 30
Current: $4,131 NZD|Low: $820 NZD|High: $9,063 NZD|Avg: $2,887 NZD
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 30, 2026
Retailer 9$820 NZD
Retailer 7$919 NZD
Retailer 5$1,015 NZD
Retailer 11$1,202 NZD
Retailer 8$1,312 NZD
Retailer 2$1,338 NZD
Retailer 12$1,718 NZD
Retailer 10$2,475 NZD
Retailer 6$3,005 NZD
Rare Carat$4,131 NZD
Retailer 3$6,541 NZD
Retailer 4$9,063 NZD

3 data points across 12 retailers

10 retailers$820 NZD to $4,131 NZD

A
Cheapest Retailer
-
$820 NZD
HK$3,600 HKD
A
Retailer 2
-
$919 NZD
£406 GBP
View
A
Retailer 3
-
$1,015 NZD
$570 USD
View
B+
Retailer 4
-
$1,202 NZD
$675 USD
View
A
Retailer 5
-
$1,312 NZD
$737 USD
View
A
Retailer 6
-
$1,338 NZD
£592 GBP
View
B+
Retailer 7
-
$2,475 NZD
$1,390 USD
View
B
Retailer 8
-
$2,924 NZD
£1,293 GBP
View
B
Retailer 9
-
$3,005 NZD
£1,329 GBP
View
Most Expensive
B
Rare Carat
KI9972789KF551 · Oct 28
$4,131 NZD
$2,320 USD
View
9 more retailers have this diamond
Prices start from $820 NZDSave up to $3,310 NZD

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
$820 NZD