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Asscher|Lab Grown|IGI

3.12ct F VS1 Asscher Lab Grown Diamond

ID • F/VS1 • IGI LG645489921

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG645489921

Diamond specifications and retailer prices

From $1,462 USD
£1,151 GBP
As of October 31, 2026
6 retailers carry this diamond
Most expensive: $3,360 USD at Brilliant Earth · As of September 28, 2026
View at Brilliant Earth

About this 3.12ct lab-grown asscher diamond

This 3.12ct lab-grown asscher sits in the three to five carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG645489921 or 645489921. Listed at 6 retailers as of October 31, 2026. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.12
Carat
F
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle30.1°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG645489921
Dimensions8.04 × 7.82 × 5.36 mm
L/W Ratio1.03
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.04 mm7.82 mm3.12 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG645489921
Side View
Table 67.0%Crown 30.1°Girdle: Slightly ThickPavilion 40.7°Culet: NoneDepth 68.5%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 31
Current: $3,360 USD|Low: $349 USD|High: $3,360 USD|Avg: $1,527 USD
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
Retailer 14
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Retailer 17
September 29, 2026
Retailer 17$513 USD
Retailer 7$685 USD
Retailer 9$730 USD
Retailer 4$732 USD
Retailer 14$856 USD
Retailer 12$988 USD
Retailer 2$1,232 USD
Retailer 10$1,285 USD
Retailer 3$1,352 USD
Retailer 16$1,753 USD
Retailer 6$1,943 USD
Retailer 8$2,053 USD
Retailer 5$2,073 USD
Retailer 15$2,105 USD
Retailer 11$2,475 USD
Retailer 13$2,530 USD
Brilliant Earth$3,360 USD

13 data points across 17 retailers

6 retailers

Retailer 1
-
$730 USD
HK$5,700 HKD
Price last confirmed 58 days ago
Retailer 2
-
$1,285 USD
View
Price last confirmed 33 days ago
Retailer 3
-
$1,352 USD
View
Price last confirmed 36 days ago
B+
Retailer 4
-
$1,462 USD
£1,151 GBP
View
Retailer 5
-
$2,475 USD
View
Price last confirmed 34 days ago
Most Expensive
Brilliant Earth
16304840Y · Sep 28
$3,360 USD
View
Price last confirmed 34 days ago
5 more retailers have this diamond
Prices start from $1,462 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.

B+
3.12ct Asscher
$1,462 USD