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Emerald|Lab Grown|IGI

3.97ct D VS2 Emerald Lab Grown Diamond

ID • D/VS2 • IGI LG818690497

Shape and cutting style on the report: Emerald cut

Certificate IGI LG818690497

Diamond specifications and retailer prices

From £357 GBP
$479 USD
As of October 30, 2026
Save £1,325 GBP (79%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £1,761 GBP at Novita Diamonds · As of October 8, 2026
View at Novita Diamonds

About this 3.97ct lab-grown emerald diamond

This 3.97ct lab-grown emerald sits in the three to five carat band, graded D colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG818690497 or 818690497. Listed at 17 retailers as of October 30, 2026, with a 371% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

3.97
Carat
D
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle41.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818690497
Dimensions11.00 × 7.38 × 4.97 mm
L/W Ratio1.49
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.00 mm7.38 mm3.97 ctD / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818690497
Side View
Table 69.0%Crown 36.2°Girdle: Slightly ThickPavilion 41.7°Culet: LargeDepth 67.3%

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 30
Current: £1,761 GBP|Low: £284 GBP|High: £1,797 GBP|Avg: £869 GBP|+1.2%
Novita Diamonds
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
October 30, 2026
Retailer 13£357 GBP
Retailer 7£399 GBP
Retailer 5£400 GBP
Retailer 3£443 GBP
Retailer 14£443 GBP
Retailer 11£549 GBP
Retailer 9£647 GBP
Retailer 6£691 GBP
Retailer 15£691 GBP
Retailer 8£734 GBP
Retailer 12£1,190 GBP
Retailer 4£1,424 GBP
Retailer 10£1,636 GBP
Retailer 2£1,683 GBP
Novita Diamonds£1,761 GBP

43 data points across 15 retailers

17 retailers£357 GBP to £1,683 GBP

A
Cheapest Retailer
-
£357 GBP
$479 USD
A
Retailer 2
-
£399 GBP
$535 USD
View
Final sale: no returns
A
Retailer 3
-
£400 GBP
$536 USD
View
Retailer 4
-
£443 GBP
$593 USD
View
Price last confirmed 14 days ago
A
Retailer 5
-
£443 GBP
$593 USD
View
A
Retailer 6
-
£549 GBP
$735 USD
View
A
Retailer 7
-
£647 GBP
€826 EUR
View
A
Retailer 8
-
£691 GBP
$926 USD
View
B+
Retailer 9
-
£691 GBP
$926 USD
View
A
Retailer 10
-
£734 GBP
View
B+
Retailer 11
-
£1,190 GBP
$1,595 USD
View
B+
Retailer 12
-
£1,387 GBP
$1,859 USD
View
B+
Retailer 13
-
£1,424 GBP
$1,908 USD
View
B+
Retailer 14
-
£1,445 GBP
$1,936 USD
View
B+
Retailer 15
-
£1,636 GBP
View
B+
Retailer 16
-
£1,683 GBP
$2,255 USD
View
Most Expensive
Novita Diamonds
cert_818690497 · Oct 8
£1,761 GBP
A$3,630 AUD
View
Price last confirmed 22 days ago
16 more retailers have this diamond
Prices start from £357 GBPSave up to £1,325 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
3.97ct Emerald
£357 GBP