CaratHunter
Plans
Oval|Lab Grown|IGI

10.27ct H VS1 Oval Lab Grown Diamond

EX • H/VS1 • IGI LG598351794

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG598351794

Diamond specifications and retailer prices

From £1,431 GBP
$1,917 USD
As of October 29, 2026
Save £4,382 GBP (75%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £5,813 GBP at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 10.27ct lab-grown oval diamond

This 10.27ct lab-grown oval sits in the over five carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG598351794 or 598351794. Listed at 19 retailers as of October 29, 2026, with prices from £1,431 to £5,813, a £4,382 spread on the same certified stone. Taylor and Hart lists it at £5,813. 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

10.27
Carat
H
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG598351794
Dimensions18.14 × 12.36 × 7.44 mm
L/W Ratio1.47
Girdle conditionFaceted
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
18.14 mm12.36 mm10.27 ctH / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG598351794
Side View
Table 58.0%Crown 33.5°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 60.2%

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: £1,481 GBP|Low: £1,143 GBP|High: £5,813 GBP|Avg: £2,722 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
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Taylor and Hart
November 1, 2026
Retailer 14£1,431 GBP
Retailer 1£1,481 GBP
Retailer 6£1,586 GBP
Retailer 4£1,602 GBP
Retailer 15£1,660 GBP
Retailer 17£1,660 GBP
Retailer 9£1,783 GBP
Retailer 12£1,784 GBP
Retailer 3£2,037 GBP
Retailer 11£2,570 GBP
Retailer 16£2,600 GBP
Retailer 13£2,726 GBP
Retailer 10£3,076 GBP
Retailer 5£3,151 GBP
Retailer 7£3,852 GBP
Retailer 2£4,597 GBP
Retailer 8£4,749 GBP
Taylor and Hart£5,813 GBP

37 data points across 18 retailers

19 retailers£1,431 GBP to £5,813 GBP

A
Cheapest Retailer
-
£1,431 GBP
$1,917 USD
A
Retailer 2
-
£1,481 GBP
View
A
Retailer 3
-
£1,557 GBP
$2,086 USD
View
A
Retailer 4
-
£1,586 GBP
HK$16,600 HKD
View
A
Retailer 5
-
£1,602 GBP
$2,146 USD
View
Final sale: no returns
Retailer 6
-
£1,660 GBP
$2,224 USD
View
Price last confirmed 21 days ago
A
Retailer 7
-
£1,660 GBP
$2,224 USD
View
A
Retailer 8
-
£1,784 GBP
$2,390 USD
View
A
Retailer 9
-
£2,037 GBP
$2,729 USD
View
A
Retailer 10
-
£2,570 GBP
ZAR 55,627 ZAR
View
A
Retailer 11
-
£2,600 GBP
$3,484 USD
View
B+
Retailer 12
-
£2,726 GBP
$3,652 USD
View
B+
Retailer 13
-
£3,076 GBP
A$6,340 AUD
View
B+
Retailer 14
-
£3,111 GBP
$4,169 USD
View
B+
Retailer 15
-
£3,151 GBP
View
B
Retailer 16
-
£3,852 GBP
$5,161 USD
View
B
Retailer 17
-
£4,597 GBP
SGD 8,323 SGD
View
B
Retailer 18
-
£4,749 GBP
$6,364 USD
View
Most Expensive
B
Taylor and Hart
2D3S6YN · Oct 31
£5,813 GBP
$7,789 USD
View
18 more retailers have this diamond
Prices start from £1,431 GBPSave up to £4,382 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
10.27ct Oval
£1,431 GBP