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Asscher|Lab Grown|IGI

3.12ct H VS1 Asscher Lab Grown Diamond

ID • H/VS1 • IGI LG500165086

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG500165086

Diamond specifications and retailer prices

From £1,746 GBP
$2,340 USD
As of October 31, 2026
Save £18,260 GBP (91%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £20,006 GBP at Reve Diamonds · As of November 1, 2026
View at Reve Diamonds

About this 3.12ct lab-grown asscher diamond

This 3.12ct lab-grown asscher sits in the three to five carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG500165086 or 500165086. Listed at 11 retailers as of October 31, 2026, with prices from £1,746 to £20,006, a £18,260 spread on the same certified stone. Reve Diamonds lists it at £20,006. 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
H
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle21.7°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG500165086
Dimensions7.85 × 7.64 × 5.16 mm
L/W Ratio1.03
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
7.85 mm7.64 mm3.12 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG500165086
Side View
Table 65.0%Crown 21.7°Girdle: STK-THKPavilion 39.2°Culet: NoneDepth 67.5%

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: Oct 31
Current: £9,331 GBP|Low: £1,746 GBP|High: £20,006 GBP|Avg: £10,753 GBP|-1.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Reve Diamonds
November 1, 2026
Retailer 8£1,746 GBP
Retailer 2£7,060 GBP
Retailer 11£7,386 GBP
Retailer 9£7,651 GBP
Retailer 3£7,692 GBP
Retailer 10£8,850 GBP
Retailer 1£9,331 GBP
Retailer 4£9,857 GBP
Retailer 12£10,965 GBP
Retailer 6£14,004 GBP
Retailer 7£17,717 GBP
Retailer 5£17,766 GBP
Reve Diamonds£20,006 GBP

38 data points across 13 retailers

11 retailers£1,746 GBP to £20,006 GBP

A
Cheapest Retailer
-
£1,746 GBP
$2,340 USD
B
Retailer 2
-
£7,060 GBP
$9,460 USD
View
B
Retailer 3
-
£7,386 GBP
$9,897 USD
View
Final sale: no returns
Retailer 4
-
£7,651 GBP
$10,251 USD
View
Price last confirmed 15 days ago
B
Retailer 5
-
£8,850 GBP
$11,858 USD
View
B
Retailer 6
-
£9,331 GBP
View
B
Retailer 7
-
£10,965 GBP
View
B
Retailer 8
-
£14,004 GBP
View
Retailer 9
-
£17,717 GBP
A$36,521 AUD
View
Price last confirmed 9 days ago
B
Retailer 10
-
£17,766 GBP
ZAR 384,553 ZAR
View
Most Expensive
B
Reve Diamonds
2B4A2AC30 · Nov 1
£20,006 GBP
$26,806 USD
View
10 more retailers have this diamond
Prices start from £1,746 GBPSave up to £18,260 GBP

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
3.12ct Asscher
£1,746 GBP