CaratHunter
Plans
Oval|Lab Grown|IGI

3.98ct D VS1 Oval Lab Grown Diamond

ID • D/VS1 • IGI LG802606200

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG802606200

Diamond specifications and retailer prices

From £566 GBP
$758 USD
As of October 29, 2026
Save £3,530 GBP (86%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £4,096 GBP at Frank Darling · As of October 29, 2026
View at Frank Darling

About this 3.98ct lab-grown oval diamond

This 3.98ct lab-grown oval sits in the three to five carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG802606200 or 802606200. Listed at 7 retailers as of October 29, 2026, with prices from £566 to £4,096, a £3,530 spread on the same certified stone. Frank Darling lists it at £4,096. 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

3.98
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG802606200
Dimensions12.61 × 9.26 × 5.54 mm
L/W Ratio1.36
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.61 mm9.26 mm3.98 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG802606200
Side View
Table 60.0%Crown 34.2°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 59.8%

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 29
Current: £4,096 GBP|Low: £392 GBP|High: £4,359 GBP|Avg: £1,600 GBP|-0.0%
Frank Darling
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
October 28, 2026
Retailer 8£396 GBP
Retailer 10£566 GBP
Retailer 14£569 GBP
Retailer 3£702 GBP
Retailer 11£775 GBP
Retailer 17£793 GBP
Retailer 15£987 GBP
Retailer 13£1,177 GBP
Retailer 7£1,251 GBP
Retailer 16£1,402 GBP
Retailer 12£1,799 GBP
Retailer 6£1,966 GBP
Retailer 4£2,250 GBP
Retailer 9£2,380 GBP
Retailer 2£2,649 GBP
Frank Darling£4,096 GBP
Retailer 5£4,359 GBP

21 data points across 17 retailers

7 retailers£566 GBP to £4,096 GBP

A
Cheapest Retailer
-
£566 GBP
$758 USD
Final sale: no returns
B+
Retailer 2
-
£775 GBP
$1,039 USD
View
Retailer 3
-
£1,177 GBP
$1,577 USD
View
Price last confirmed 19 days ago
Retailer 4
-
£1,402 GBP
$1,879 USD
View
Price last confirmed 45 days ago
B+
Retailer 5
-
£1,799 GBP
$2,410 USD
View
B
Retailer 6
-
£2,649 GBP
$3,550 USD
View
Most Expensive
B
Frank Darling
100756836247KD · Oct 29
£4,096 GBP
$5,488 USD
View
6 more retailers have this diamond
Prices start from £566 GBPSave up to £3,530 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
3.98ct Oval
£566 GBP