Oval|Natural|GIA

3.50ct H SI1 Oval Natural Diamond

ID • H/SI1 • GIA 1558688239

Certificate GIA 1558688239

Diamond specifications and retailer prices

From £32,950 GBP
$44,149 USD
As of October 29, 2026
14 retailers carry this diamond
Most expensive: £56,438 GBP at MOH London · As of October 21, 2026
View at MOH London

About this 3.5ct natural oval diamond

This 3.5ct natural oval sits in the three to five carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1558688239. Listed at 14 retailers as of October 29, 2026. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

3.50
Carat
H
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1558688239
Dimensions12.14 × 8.67 × 5.22 mm
L/W Ratio1.40
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Crystal, Cloud, Needle
Top View
12.14 mm8.67 mm3.50 ctH / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1558688239
Side View
Table 61.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 60.3%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: £56,438 GBP|Low: £32,120 GBP|High: £56,949 GBP|Avg: £39,300 GBP|-0.9%
MOH London
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
Retailer 18
Retailer 19
October 22, 2026
Retailer 18£32,120 GBP
Retailer 10£32,429 GBP
Retailer 3£32,592 GBP
Retailer 17£32,950 GBP
Retailer 19£34,824 GBP
Retailer 9£36,078 GBP
Retailer 14£37,290 GBP
Retailer 15£37,443 GBP
Retailer 8£37,581 GBP
Retailer 4£38,376 GBP
Retailer 5£38,447 GBP
Retailer 16£38,941 GBP
Retailer 13£40,438 GBP
Retailer 12£41,436 GBP
Retailer 11£42,527 GBP
Retailer 6£43,291 GBP
Retailer 7£45,943 GBP
Retailer 2£48,003 GBP
MOH London£56,438 GBP

9 data points across 19 retailers

14 retailers

Retailer 1
-
£32,592 GBP
$43,670 USD
Price last confirmed 10 days ago
B+
Retailer 2
-
£32,950 GBP
$44,149 USD
View
Final sale: no returns
Retailer 3
-
£36,078 GBP
$48,341 USD
View
Price last confirmed 15 days ago
Retailer 4
-
£37,290 GBP
View
Price last confirmed 10 days ago
Retailer 5
-
£37,443 GBP
$50,169 USD
View
Price last confirmed 11 days ago
Retailer 6
-
£37,581 GBP
$50,355 USD
View
Price last confirmed 15 days ago
Retailer 7
-
£38,376 GBP
$51,420 USD
View
Price last confirmed 10 days ago
Retailer 8
-
£38,447 GBP
$51,515 USD
View
Price last confirmed 12 days ago
Retailer 9
-
£38,941 GBP
$52,176 USD
View
Price last confirmed 11 days ago
Retailer 10
-
£40,438 GBP
$54,183 USD
View
Price last confirmed 10 days ago
Retailer 11
-
£41,436 GBP
View
Price last confirmed 10 days ago
Retailer 12
-
£45,943 GBP
ZAR 994,477 ZAR
View
Price last confirmed 14 days ago
Retailer 13
-
£48,003 GBP
View
Price last confirmed 9 days ago
Most Expensive
MOH London
DCAC544E6 · Oct 21
£56,438 GBP
View
Price last confirmed 10 days ago
13 more retailers have this diamond
Prices start from £32,950 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.

B+
3.50ct Oval
£32,950 GBP