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Asscher|Lab Grown|IGI

3.07ct D SI1 Asscher Lab Grown Diamond

ID • D/SI1 • IGI LG628404034

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG628404034

Diamond specifications and retailer prices

From $1,070 NZD
$602 USD
As of November 1, 2026
Save $4,920 NZD (82%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $5,990 NZD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 3.07ct lab-grown asscher diamond

This 3.07ct lab-grown asscher sits in the three to five carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG628404034 or 628404034. Listed at 15 retailers as of October 31, 2026, with prices from $1,070 to $5,990, a $4,920 spread on the same certified stone. Brilliant Earth lists it at $5,990. 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

3.07
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG628404034
Dimensions7.94 × 7.90 × 5.30 mm
L/W Ratio1.01
Culet sizePointed
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 mm7.90 mm3.07 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG628404034
Side View
Table 67.0%Crown 34.4°Girdle: Slightly ThickPavilion 39.9°Culet: NoneDepth 67.1%

Caratlytics Score

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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 1
Current: $5,990 NZD|Low: $1,070 NZD|High: $8,549 NZD|Avg: $2,793 NZD|-29.9%
Brilliant Earth
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 3$1,070 NZD
Retailer 11$1,185 NZD
Retailer 12$1,422 NZD
Retailer 2$1,616 NZD
Retailer 7$1,808 NZD
Retailer 5$1,816 NZD
Retailer 6$1,830 NZD
Retailer 13$1,832 NZD
Retailer 10$2,661 NZD
Retailer 4$4,037 NZD
Retailer 9$4,399 NZD
Retailer 8$4,973 NZD
Brilliant Earth$5,990 NZD

40 data points across 13 retailers

15 retailers$1,070 NZD to $5,990 NZD

A
Cheapest Retailer
-
$1,070 NZD
$602 USD
Final sale: no returns
Retailer 2
-
$1,185 NZD
$667 USD
View
Price last confirmed 17 days ago
A
Retailer 3
-
$1,422 NZD
$800 USD
View
A
Retailer 4
-
$1,616 NZD
£716 GBP
View
A
Retailer 5
-
$1,808 NZD
€969 EUR
View
A
Retailer 6
-
$1,816 NZD
$1,022 USD
View
A
Retailer 7
-
$1,830 NZD
£811 GBP
View
B+
Retailer 8
-
$1,832 NZD
$1,031 USD
View
B+
Retailer 9
-
$2,480 NZD
£1,099 GBP
View
B+
Retailer 10
-
$2,661 NZD
$1,497 USD
View
B
Retailer 11
-
$3,849 NZD
$2,165 USD
View
B
Retailer 12
-
$4,037 NZD
$2,271 USD
View
B
Retailer 13
-
$4,399 NZD
$2,475 USD
View
Retailer 14
-
$4,973 NZD
£2,203 GBP
View
Price last confirmed 15 days ago
Most Expensive
B
Brilliant Earth
9790916A · Oct 31
$5,990 NZD
$3,370 USD
View
14 more retailers have this diamond
Prices start from $1,070 NZDSave up to $4,920 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
3.07ct Asscher
$1,070 NZD