Asscher|Lab Grown|IGI

12.53ct G VS1 Asscher Lab Grown Diamond

ID • G/VS1 • IGI LG627400106

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG627400106

Diamond specifications and retailer prices

From $4,763 USD
£3,750 GBP
As of October 30, 2026
Save $16,442 USD (78%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $21,205 USD at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

About this 12.53ct lab-grown asscher diamond

This 12.53ct 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 LG627400106 or 627400106. Listed at 16 retailers as of October 30, 2026, with prices from $4,763 to $21,205, a $16,442 spread on the same certified stone. Taylor and Hart lists it at $21,205. 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

12.53
Carat
G
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.9°
Pavilion angle36.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG627400106
Dimensions12.56 × 12.55 × 8.58 mm
L/W Ratio1.00
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
12.56 mm12.55 mm12.53 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG627400106
Side View
Table 62.0%Crown 37.9°Girdle: MED-STKPavilion 36.9°Culet: NoneDepth 68.4%

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: Oct 30
Current: $7,504 USD|Low: $4,747 USD|High: $18,650 USD|Avg: $9,103 USD|-0.3%
Retailer 1
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
October 31, 2026
Retailer 8$4,763 USD
Retailer 4$5,708 USD
Retailer 6$5,847 USD
Retailer 14$5,912 USD
Retailer 3$5,930 USD
Retailer 13$6,799 USD
Retailer 1$7,504 USD
Retailer 2$9,135 USD
Retailer 9$9,151 USD
Retailer 10$9,699 USD
Retailer 11$10,142 USD
Retailer 12$11,127 USD
Retailer 5$16,438 USD
Retailer 7$18,220 USD

41 data points across 14 retailers

16 retailers$4,763 USD to $21,205 USD

A
Cheapest Retailer
-
$4,763 USD
£3,750 GBP
B+
Retailer 2
-
$5,708 USD
View
Final sale: no returns
B+
Retailer 3
-
$5,847 USD
View
Retailer 4
-
$5,912 USD
View
Price last confirmed 19 days ago
B+
Retailer 5
-
$5,930 USD
View
B+
Retailer 6
-
$6,799 USD
View
B+
Retailer 7
-
$7,504 USD
£5,909 GBP
View
B+
Retailer 8
-
$8,367 USD
£6,588 GBP
View
Retailer 9
-
$9,135 USD
View
Price last confirmed 10 days ago
B+
Retailer 10
-
$9,151 USD
ZAR 147,834 ZAR
View
B
Retailer 11
-
$9,699 USD
€9,237 EUR
View
B
Retailer 12
-
$10,142 USD
View
B
Retailer 13
-
$11,127 USD
View
B
Retailer 14
-
$16,438 USD
View
B
Retailer 15
-
$18,220 USD
View
Most Expensive
B
Taylor and Hart
6KRO725 · Oct 30
$21,205 USD
View
15 more retailers have this diamond
Prices start from $4,763 USDSave up to $16,442 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
12.53ct Asscher
$4,763 USD