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Marquise|Natural|GIA

0.80ct I SI1 Marquise Natural Diamond

EX • I/SI1 • GIA 1565247651

Certificate GIA 1565247651

Diamond specifications and retailer prices

From £811 GBP
HK$8,500 HKD
As of October 30, 2026
Save £1,892 GBP (70%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £2,703 GBP at NZ Jewellers · As of October 27, 2026
View at NZ Jewellers

About this 0.8ct natural marquise diamond

This 0.8ct natural marquise sits in the just-under-one-carat band, graded I 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 1565247651. Listed at 13 retailers as of October 27, 2026, with prices from £811 to £2,703, a £1,892 spread on the same certified stone. NZ Jewellers lists it at £2,703. 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

0.80
Carat
I
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1565247651
Dimensions9.41 × 4.90 × 2.96 mm
L/W Ratio1.92
Culet sizeNone
Key to symbols
Feather
Top View
9.41 mm4.90 mm0.80 ctI / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 1565247651
Side View
Table 59.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 60.4%

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: £2,703 GBP|Low: £811 GBP|High: £2,877 GBP|Avg: £1,338 GBP|-6.1%
NZ Jewellers
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
October 30, 2026
Retailer 14£811 GBP
Retailer 7£829 GBP
Retailer 12£969 GBP
Retailer 4£1,023 GBP
Retailer 9£1,108 GBP
Retailer 5£1,148 GBP
Retailer 8£1,160 GBP
Retailer 3£1,226 GBP
Retailer 10£1,279 GBP
Retailer 11£1,282 GBP
Retailer 2£1,401 GBP
Retailer 6£1,539 GBP
Retailer 13£1,952 GBP
NZ Jewellers£2,703 GBP

29 data points across 14 retailers

13 retailers£811 GBP to £2,703 GBP

A
Cheapest Retailer
-
£811 GBP
HK$8,500 HKD
A
Retailer 2
-
£829 GBP
₹105,973 INR
View
A
Retailer 3
-
£969 GBP
$1,300 USD
View
A
Retailer 4
-
£1,108 GBP
$1,487 USD
View
A
Retailer 5
-
£1,148 GBP
$1,540 USD
View
B+
Retailer 6
-
£1,160 GBP
$1,556 USD
View
B+
Retailer 7
-
£1,226 GBP
$1,645 USD
View
B+
Retailer 8
-
£1,279 GBP
$1,716 USD
View
B+
Retailer 9
-
£1,282 GBP
$1,720 USD
View
B+
Retailer 10
-
£1,401 GBP
View
Retailer 11
-
£1,539 GBP
A$3,178 AUD
View
Price last confirmed 28 days ago
B
Retailer 12
-
£1,952 GBP
View
Most Expensive
B
NZ Jewellers
0c949daa-f3ab-4375-82b3-b047c73d0bc7 · Oct 27
£2,703 GBP
$3,627 USD
View
12 more retailers have this diamond
Prices start from £811 GBPSave up to £1,892 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
0.80ct Marquise
£811 GBP