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Asscher|Lab Grown|IGI

3.11ct D SI1 Asscher Lab Grown Diamond

GD • D/SI1 • IGI LG478109494

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG478109494

Diamond specifications and retailer prices

From $962 NZD
$541 USD
As of November 2, 2026
Save $4,486 NZD (82%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $5,447 NZD at Rare Carat · As of November 1, 2026
View at Rare Carat

About this 3.11ct lab-grown asscher diamond

This 3.11ct lab-grown asscher sits in the three to five carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a standard cut grade and certified by IGI LG478109494 or 478109494. Listed at 16 retailers as of November 1, 2026, with prices from $962 to $5,447, a $4,486 spread on the same certified stone. Rare Carat lists it at $5,447. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

3.11
Carat
D
Colour
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle16.1°
Pavilion angle47.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG478109494
Dimensions8.05 × 8.03 × 5.24 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
8.05 mm8.03 mm3.11 ctD / SI1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG478109494
Side View
Table 66.5%Crown 16.1°Girdle: MediumPavilion 47.9°Culet: NoneDepth 65.3%

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: $5,447 NZD|Low: $962 NZD|High: $17,091 NZD|Avg: $2,476 NZD|-1.4%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 2, 2026
Retailer 8$962 NZD
Retailer 4$1,077 NZD
Retailer 12$1,077 NZD
Retailer 3$1,193 NZD
Retailer 9$1,193 NZD
Retailer 13$1,555 NZD
Retailer 5$1,692 NZD
Retailer 10$1,795 NZD
Retailer 2$1,841 NZD
Retailer 7$3,075 NZD
Retailer 11$3,135 NZD
Retailer 6$4,975 NZD
Rare Carat$5,447 NZD

42 data points across 13 retailers

16 retailers$962 NZD to $5,447 NZD

A
Cheapest Retailer
-
$962 NZD
$541 USD
B+
Retailer 2
-
$1,077 NZD
$606 USD
View
Final sale: no returns
B+
Retailer 3
-
$1,077 NZD
$606 USD
View
B+
Retailer 4
-
$1,193 NZD
$671 USD
View
Retailer 5
-
$1,193 NZD
$671 USD
View
Price last confirmed 17 days ago
B+
Retailer 6
-
$1,297 NZD
HK$5,700 HKD
View
B+
Retailer 7
-
$1,431 NZD
$805 USD
View
B+
Retailer 8
-
$1,555 NZD
$875 USD
View
B+
Retailer 9
-
$1,692 NZD
$952 USD
View
B+
Retailer 10
-
$1,795 NZD
€962 EUR
View
B+
Retailer 11
-
$1,841 NZD
£816 GBP
View
B
Retailer 12
-
$3,075 NZD
$1,730 USD
View
B
Retailer 13
-
$3,135 NZD
$1,764 USD
View
B
Retailer 14
-
$4,975 NZD
£2,204 GBP
View
C
Retailer 15
-
$5,268 NZD
£2,334 GBP
View
Most Expensive
C
Rare Carat
284-11_l_478109494 · Nov 1
$5,447 NZD
$3,065 USD
View
15 more retailers have this diamond
Prices start from $962 NZDSave up to $4,486 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
3.11ct Asscher
$962 NZD