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Oval|Lab Grown|IGI

3.98ct D VS1 Oval Lab Grown Diamond

EX • D/VS1 • IGI LG760509802

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG760509802

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)
6 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 LG760509802 or 760509802. Listed at 6 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG760509802
Dimensions8.97 × 8.97 × 12.39 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Top View
8.97 mm8.97 mm3.98 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG760509802
Side View
Table 60.0%Crown 37°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 62.8%

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: £566 GBP|High: £5,097 GBP|Avg: £1,832 GBP|-0.0%
Frank Darling
Retailer 2
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Retailer 8
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Retailer 10
Retailer 11
Retailer 12
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Retailer 16
October 28, 2026
Retailer 2£566 GBP
Retailer 12£705 GBP
Retailer 13£758 GBP
Retailer 10£775 GBP
Retailer 6£793 GBP
Retailer 14£931 GBP
Retailer 7£1,401 GBP
Retailer 15£1,603 GBP
Retailer 3£1,649 GBP
Retailer 11£1,799 GBP
Retailer 16£1,970 GBP
Retailer 4£1,986 GBP
Retailer 8£2,380 GBP
Retailer 9£2,649 GBP
Frank Darling£4,096 GBP
Retailer 5£5,097 GBP

14 data points across 16 retailers

6 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
B+
Retailer 3
-
£1,799 GBP
$2,410 USD
View
Retailer 4
-
£2,380 GBP
A$4,906 AUD
View
Price last confirmed 119 days ago
B
Retailer 5
-
£2,649 GBP
$3,550 USD
View
Most Expensive
B
Frank Darling
100760360748KD · Oct 29
£4,096 GBP
$5,488 USD
View
5 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