CaratHunter
Plans
Oval|Natural|GIA

3.51ct H SI1 Oval Natural Diamond

EX • H/SI1 • GIA 1545457368

Certificate GIA 1545457368

Diamond specifications and retailer prices

From £32,223 GBP
$43,175 USD
As of October 31, 2026
Save £8,626 GBP (21%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £40,848 GBP at 77 Diamonds · As of November 2, 2026
View at 77 Diamonds

About this 3.51ct natural oval diamond

This 3.51ct 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 1545457368. Listed at 4 retailers as of October 31, 2026, with prices from £32,223 to £40,848, a £8,626 spread on the same certified stone. 77 Diamonds lists it at £40,848. 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

3.51
Carat
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1545457368
Dimensions12.09 × 8.41 × 5.37 mm
L/W Ratio1.44
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather, Needle, Indented Natural, Natural
Top View
12.09 mm8.41 mm3.51 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1545457368
Side View
Table 63.0%CrownGirdle: THK-THKPavilionCulet: NoneDepth 63.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: £40,848 GBP|Low: £32,223 GBP|High: £43,133 GBP|Avg: £36,280 GBP|-5.3%
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
November 2, 2026
Retailer 3£32,223 GBP
Retailer 4£34,311 GBP
Retailer 2£36,611 GBP
77 Diamonds£40,848 GBP

31 data points across 4 retailers

4 retailers£32,223 GBP to £40,848 GBP

B+
Cheapest Retailer
-
£32,223 GBP
$43,175 USD
B+
Retailer 2
-
£34,311 GBP
$45,973 USD
View
B
Retailer 3
-
£36,611 GBP
$49,055 USD
View
Most Expensive
B
77 Diamonds
OVZ7QHRAZTQ · Nov 2
£40,848 GBP
View
3 more retailers have this diamond
Prices start from £32,223 GBPSave up to £8,626 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+
3.51ct Oval
£32,223 GBP