Asscher|Lab Grown|IGI

12.03ct G VS1 Asscher Lab Grown Diamond

ID • G/VS1 • IGI LG678548673

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG678548673

Diamond specifications and retailer prices

From $2,104 USD
£1,656 GBP
As of October 30, 2026
Save $8,256 USD (80%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $10,360 USD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 12.03ct lab-grown asscher diamond

This 12.03ct lab-grown asscher sits in the over five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG678548673 or 678548673. Listed at 21 retailers as of October 30, 2026, with prices from $2,104 to $10,360, a $8,256 spread on the same certified stone. Brilliant Earth lists it at $10,360. 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

12.03
Carat
G
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle39°
OriginLab Grown
Grading LabIGI
CertificateIGI LG678548673
Dimensions12.92 × 12.35 × 7.91 mm
L/W Ratio1.05
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.92 mm12.35 mm12.03 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG678548673
Side View
Table 62.0%Crown 34.7°Girdle: Slightly ThickPavilion 39°Culet: NoneDepth 64.0%

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 30
Current: $10,360 USD|Low: $2,104 USD|High: $10,360 USD|Avg: $4,854 USD
Brilliant Earth
Retailer 2
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Retailer 21
October 31, 2026
Retailer 15$2,104 USD
Retailer 14$2,251 USD
Retailer 13$2,449 USD
Retailer 4$2,611 USD
Retailer 12$2,611 USD
Retailer 18$2,775 USD
Retailer 10$3,021 USD
Retailer 5$3,590 USD
Retailer 2$3,595 USD
Retailer 3$4,002 USD
Retailer 16$4,043 USD
Retailer 19$4,049 USD
Retailer 9$4,077 USD
Retailer 21$4,846 USD
Retailer 6$4,953 USD
Retailer 20$5,805 USD
Retailer 17$6,614 USD
Retailer 7$8,506 USD
Retailer 11$8,742 USD
Retailer 8$9,124 USD
Brilliant Earth$10,360 USD

29 data points across 21 retailers

21 retailers$2,104 USD to $10,360 USD

A
Cheapest Retailer
-
$2,104 USD
£1,656 GBP
Retailer 2
-
$2,251 USD
View
Price last confirmed 23 days ago
A
Retailer 3
-
$2,449 USD
View
Retailer 4
-
$2,611 USD
View
Price last confirmed 20 days ago
Retailer 5
-
$2,611 USD
View
Price last confirmed 23 days ago
A
Retailer 6
-
$2,775 USD
View
A
Retailer 7
-
$3,021 USD
HK$23,600 HKD
View
Retailer 8
-
$3,590 USD
View
Price last confirmed 21 days ago
A
Retailer 9
-
$3,595 USD
£2,831 GBP
View
A
Retailer 10
-
$4,002 USD
View
A
Retailer 11
-
$4,043 USD
ZAR 65,311 ZAR
View
A
Retailer 12
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$4,049 USD
€3,856 EUR
View
A
Retailer 13
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$4,077 USD
View
Retailer 14
-
$4,846 USD
A$7,456 AUD
View
Price last confirmed 9 days ago
A
Retailer 15
-
$4,953 USD
£3,900 GBP
View
B+
Retailer 16
-
$5,805 USD
View
B+
Retailer 17
-
$6,614 USD
View
B+
Retailer 18
-
$8,506 USD
View
B+
Retailer 19
-
$8,742 USD
SGD 11,813 SGD
View
B
Retailer 20
-
$9,124 USD
View
Most Expensive
B
Brilliant Earth
22254939A · Oct 30
$10,360 USD
View
20 more retailers have this diamond
Prices start from $2,104 USDSave up to $8,256 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
12.03ct Asscher
$2,104 USD