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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 HK$16,456 HKD
£1,652 GBP
As of November 1, 2026
Save HK$64,826 HKD (80%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: HK$81,281 HKD at Brilliant Earth · As of October 31, 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 31, 2026, with prices from HK$16,456 to HK$81,281, a HK$64,826 spread on the same certified stone. Brilliant Earth lists it at HK$81,281. 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
Colour
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: Nov 1
Current: HK$81,281 HKD|Low: HK$16,456 HKD|High: HK$81,281 HKD|Avg: HK$37,976 HKD
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
November 1, 2026
Retailer 15HK$16,456 HKD
Retailer 14HK$17,661 HKD
Retailer 17HK$19,214 HKD
Retailer 4HK$20,485 HKD
Retailer 12HK$20,485 HKD
Retailer 20HK$21,772 HKD
Retailer 10HK$23,700 HKD
Retailer 5HK$28,166 HKD
Retailer 16HK$28,208 HKD
Retailer 3HK$31,398 HKD
Retailer 18HK$31,718 HKD
Retailer 21HK$31,766 HKD
Retailer 9HK$31,987 HKD
Retailer 13HK$37,962 HKD
Retailer 6HK$38,860 HKD
Retailer 2HK$45,584 HKD
Retailer 19HK$51,891 HKD
Retailer 7HK$66,736 HKD
Retailer 11HK$68,584 HKD
Retailer 8HK$71,585 HKD
Brilliant EarthHK$81,281 HKD

30 data points across 21 retailers

21 retailersHK$16,456 HKD to HK$81,281 HKD

A
Cheapest Retailer
-
HK$16,456 HKD
£1,652 GBP
Retailer 2
-
HK$17,661 HKD
$2,251 USD
View
Price last confirmed 24 days ago
A
Retailer 3
-
HK$19,214 HKD
$2,449 USD
View
Retailer 4
-
HK$20,485 HKD
$2,611 USD
View
Price last confirmed 21 days ago
Retailer 5
-
HK$20,485 HKD
$2,611 USD
View
Price last confirmed 24 days ago
A
Retailer 6
-
HK$21,772 HKD
$2,775 USD
View
A
Retailer 7
-
HK$23,700 HKD
View
Retailer 8
-
HK$28,166 HKD
$3,590 USD
View
Price last confirmed 22 days ago
A
Retailer 9
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HK$28,208 HKD
£2,831 GBP
View
A
Retailer 10
-
HK$31,398 HKD
$4,002 USD
View
A
Retailer 11
-
HK$31,718 HKD
ZAR 65,311 ZAR
View
A
Retailer 12
-
HK$31,766 HKD
€3,856 EUR
View
A
Retailer 13
-
HK$31,987 HKD
$4,077 USD
View
A
Retailer 14
-
HK$37,962 HKD
A$7,444 AUD
View
A
Retailer 15
-
HK$38,860 HKD
£3,900 GBP
View
B+
Retailer 16
-
HK$45,584 HKD
$5,810 USD
View
B+
Retailer 17
-
HK$51,891 HKD
$6,614 USD
View
B+
Retailer 18
-
HK$66,736 HKD
$8,506 USD
View
B+
Retailer 19
-
HK$68,584 HKD
SGD 11,813 SGD
View
B
Retailer 20
-
HK$71,585 HKD
$9,124 USD
View
Most Expensive
B
Brilliant Earth
22254939A · Oct 31
HK$81,281 HKD
$10,360 USD
View
20 more retailers have this diamond
Prices start from HK$16,456 HKDSave up to HK$64,826 HKD

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
HK$16,456 HKD