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Oval|Natural|GIA

1.50ct K SI1 Oval Natural Diamond

EX • K/SI1 • GIA 6565013381

Certificate GIA 6565013381

Diamond specifications and retailer prices

From £2,160 GBP
As of November 4, 2026
Save £1,778 GBP (45%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £3,937 GBP at Wholesale Diamonds Direct · As of November 6, 2026
View at Wholesale Diamonds Direct

About this 1.5ct natural oval diamond

This 1.5ct natural oval sits in the one-and-a-half to two carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6565013381. Listed at 13 retailers as of November 4, 2026, with prices from £2,160 to £3,937, a £1,778 spread on the same certified stone. Wholesale Diamonds Direct lists it at £3,937. 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

1.50
Carat
K
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle38.31°
Pavilion angle39.05°
OriginNatural
Grading LabGIA
CertificateGIA 6565013381
Dimensions8.98 × 6.46 × 4.02 mm
L/W Ratio1.39
Culet sizeNone
Top View
8.98 mm6.46 mm1.50 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6565013381
Side View
Table 58.0%Crown 38.31°Girdle: MED-THKPavilion 39.05°Culet: NoneDepth 62.2%

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: Nov 4
Current: £2,997 GBP|Low: £2,160 GBP|High: £4,172 GBP|Avg: £2,788 GBP|-7.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Wholesale Diamonds Direct
November 6, 2026
Retailer 8£2,160 GBP
Retailer 12£2,199 GBP
Retailer 7£2,213 GBP
Retailer 9£2,329 GBP
Retailer 10£2,334 GBP
Retailer 6£2,506 GBP
Retailer 4£2,602 GBP
Retailer 2£2,771 GBP
Retailer 3£2,828 GBP
Retailer 5£2,879 GBP
Retailer 1£2,997 GBP
Retailer 11£3,643 GBP
Wholesale Diamonds Direct£3,937 GBP

29 data points across 13 retailers

13 retailers£2,160 GBP to £3,937 GBP

A
Cheapest Retailer
-
£2,160 GBP
A
Retailer 2
-
£2,199 GBP
View
A
Retailer 3
-
£2,213 GBP
View
A
Retailer 4
-
£2,329 GBP
View
A
Retailer 5
-
£2,334 GBP
View
A
Retailer 6
-
£2,506 GBP
View
A
Retailer 7
-
£2,602 GBP
View
A
Retailer 8
-
£2,771 GBP
View
A
Retailer 9
-
£2,828 GBP
View
A
Retailer 10
-
£2,879 GBP
View
B+
Retailer 11
-
£2,997 GBP
View
B+
Retailer 12
-
£3,643 GBP
View
Most Expensive
B
Wholesale Diamonds Direct
387256970 · Nov 6
£3,937 GBP
$5,270 USD
View
12 more retailers have this diamond
Prices start from £2,160 GBPSave up to £1,778 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
1.50ct Oval
£2,160 GBP