CaratHunter
Plans
Oval|Natural|GIA

1.56ct D SI2 Oval Natural Diamond

ID • D/SI2 • GIA 6233739659

Certificate GIA 6233739659

Diamond specifications and retailer prices

From £5,318 GBP
As of October 30, 2026
Save £4,093 GBP (43%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £9,410 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.56ct natural oval diamond

This 1.56ct natural oval sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6233739659. Listed at 6 retailers as of October 30, 2026, with prices from £5,318 to £9,410, a £4,093 spread on the same certified stone. NZ Jewellers lists it at £9,410. 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

1.56
Carat
D
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle38.02°
Pavilion angle39.61°
OriginNatural
Grading LabGIA
CertificateGIA 6233739659
Dimensions9.39 × 6.38 × 4.00 mm
L/W Ratio1.47
Top View
9.39 mm6.38 mm1.56 ctD / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6233739659
Side View
Table 58.0%Crown 38.02°Girdle: MED-STKPavilion 39.61°Culet: NoneDepth 62.7%

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 30
Current: £9,410 GBP|Low: £5,300 GBP|High: £9,516 GBP|Avg: £6,440 GBP|-1.1%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 30, 2026
Retailer 2£5,318 GBP
Retailer 8£5,609 GBP
Retailer 3£5,627 GBP
Retailer 5£5,666 GBP
Retailer 6£5,713 GBP
Retailer 7£5,839 GBP
Retailer 9£6,180 GBP
Retailer 4£7,883 GBP
NZ Jewellers£9,410 GBP

27 data points across 9 retailers

6 retailers£5,318 GBP to £9,410 GBP

A
Cheapest Retailer
-
£5,318 GBP
A
Retailer 2
-
£5,627 GBP
$7,539 USD
View
A
Retailer 3
-
£5,666 GBP
$7,592 USD
View
A
Retailer 4
-
£5,713 GBP
$7,655 USD
View
B+
Retailer 5
-
£7,883 GBP
View
Most Expensive
B
NZ Jewellers
15b28910-4a34-430d-886a-03cf7ff47588 · Oct 30
£9,410 GBP
$12,609 USD
View
5 more retailers have this diamond
Prices start from £5,318 GBPSave up to £4,093 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
1.56ct Oval
£5,318 GBP