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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 $602 USD
As of October 31, 2026
Save $2,768 USD (82%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $3,370 USD at Brilliant Earth · As of October 30, 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 30, 2026, with prices from $602 to $3,370, a $2,768 spread on the same certified stone. Brilliant Earth lists it at $3,370. 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
Color
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: Oct 31
Current: $3,370 USD|Low: $602 USD|High: $4,810 USD|Avg: $1,572 USD|-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
October 31, 2026
Retailer 3$602 USD
Retailer 11$667 USD
Retailer 12$800 USD
Retailer 6$912 USD
Retailer 7$1,017 USD
Retailer 5$1,022 USD
Retailer 13$1,031 USD
Retailer 2$1,038 USD
Retailer 10$1,497 USD
Retailer 4$2,271 USD
Retailer 9$2,475 USD
Retailer 8$2,798 USD
Brilliant Earth$3,370 USD

41 data points across 13 retailers

15 retailers$602 USD to $3,370 USD

A
Cheapest Retailer
-
$602 USD
Final sale: no returns
Retailer 2
-
$667 USD
View
Price last confirmed 15 days ago
A
Retailer 3
-
$800 USD
View
A
Retailer 4
-
$912 USD
£718 GBP
View
A
Retailer 5
-
$1,017 USD
€969 EUR
View
A
Retailer 6
-
$1,022 USD
View
B+
Retailer 7
-
$1,031 USD
View
A
Retailer 8
-
$1,038 USD
£818 GBP
View
B+
Retailer 9
-
$1,395 USD
£1,099 GBP
View
B+
Retailer 10
-
$1,497 USD
View
B
Retailer 11
-
$2,165 USD
View
B
Retailer 12
-
$2,271 USD
View
Retailer 13
-
$2,475 USD
View
Price last confirmed 12 days ago
Retailer 14
-
$2,798 USD
£2,203 GBP
View
Price last confirmed 12 days ago
Most Expensive
B
Brilliant Earth
9790916A · Oct 30
$3,370 USD
View
14 more retailers have this diamond
Prices start from $602 USDSave up to $2,768 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
3.07ct Asscher
$602 USD