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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 $3,721 NZD
£1,652 GBP
As of November 1, 2026
Save $14,660 NZD (80%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $18,382 NZD 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 $3,721 to $18,382, a $14,660 spread on the same certified stone. Brilliant Earth lists it at $18,382. 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

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $18,382 NZD|Low: $3,721 NZD|High: $18,382 NZD|Avg: $8,588 NZD
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 15$3,721 NZD
Retailer 14$3,994 NZD
Retailer 17$4,345 NZD
Retailer 4$4,633 NZD
Retailer 12$4,633 NZD
Retailer 20$4,924 NZD
Retailer 10$5,360 NZD
Retailer 5$6,370 NZD
Retailer 16$6,379 NZD
Retailer 3$7,101 NZD
Retailer 18$7,173 NZD
Retailer 21$7,184 NZD
Retailer 9$7,234 NZD
Retailer 13$8,585 NZD
Retailer 6$8,788 NZD
Retailer 2$10,309 NZD
Retailer 19$11,735 NZD
Retailer 7$15,092 NZD
Retailer 11$15,510 NZD
Retailer 8$16,189 NZD
Brilliant Earth$18,382 NZD

30 data points across 21 retailers

21 retailers$3,721 NZD to $18,382 NZD

A
Cheapest Retailer
-
$3,721 NZD
£1,652 GBP
Retailer 2
-
$3,994 NZD
$2,251 USD
View
Price last confirmed 24 days ago
A
Retailer 3
-
$4,345 NZD
$2,449 USD
View
Retailer 4
-
$4,633 NZD
$2,611 USD
View
Price last confirmed 21 days ago
Retailer 5
-
$4,633 NZD
$2,611 USD
View
Price last confirmed 24 days ago
A
Retailer 6
-
$4,924 NZD
$2,775 USD
View
A
Retailer 7
-
$5,360 NZD
HK$23,600 HKD
View
Retailer 8
-
$6,370 NZD
$3,590 USD
View
Price last confirmed 22 days ago
A
Retailer 9
-
$6,379 NZD
£2,831 GBP
View
A
Retailer 10
-
$7,101 NZD
$4,002 USD
View
A
Retailer 11
-
$7,173 NZD
ZAR 65,311 ZAR
View
A
Retailer 12
-
$7,184 NZD
€3,856 EUR
View
A
Retailer 13
-
$7,234 NZD
$4,077 USD
View
A
Retailer 14
-
$8,585 NZD
A$7,444 AUD
View
A
Retailer 15
-
$8,788 NZD
£3,900 GBP
View
B+
Retailer 16
-
$10,309 NZD
$5,810 USD
View
B+
Retailer 17
-
$11,735 NZD
$6,614 USD
View
B+
Retailer 18
-
$15,092 NZD
$8,506 USD
View
B+
Retailer 19
-
$15,510 NZD
SGD 11,813 SGD
View
B
Retailer 20
-
$16,189 NZD
$9,124 USD
View
Most Expensive
B
Brilliant Earth
22254939A · Oct 31
$18,382 NZD
$10,360 USD
View
20 more retailers have this diamond
Prices start from $3,721 NZDSave up to $14,660 NZD

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
$3,721 NZD