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Marquise|Natural|GIA

1.02ct D SI1 Marquise Natural Diamond

ID • D/SI1 • GIA 6555689287

Certificate GIA 6555689287

Diamond specifications and retailer prices

From £1,739 GBP
HK$18,200 HKD
As of October 29, 2026
Save £2,356 GBP (58%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £4,094 GBP at NZ Jewellers · As of October 27, 2026
View at NZ Jewellers

About this 1.02ct natural marquise diamond

This 1.02ct natural marquise sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6555689287. Listed at 21 retailers as of October 27, 2026, with prices from £1,739 to £4,094, a £2,356 spread on the same certified stone. NZ Jewellers lists it at £4,094. 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

1.02
Carat
D
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6555689287
Dimensions10.35 × 4.92 × 3.38 mm
L/W Ratio2.10
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Crystal
Top View
10.35 mm4.92 mm1.02 ctD / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6555689287
Side View
Table 58.0%CrownGirdlePavilionCulet: NoneDepth 68.6%

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 29
Current: £4,094 GBP|Low: £1,739 GBP|High: £4,235 GBP|Avg: £2,619 GBP
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
October 28, 2026
Retailer 7£1,739 GBP
Retailer 11£2,105 GBP
Retailer 14£2,105 GBP
Retailer 9£2,147 GBP
Retailer 8£2,169 GBP
Retailer 2£2,305 GBP
Retailer 4£2,350 GBP
Retailer 18£2,350 GBP
Retailer 10£2,438 GBP
Retailer 19£2,440 GBP
Retailer 13£2,441 GBP
Retailer 6£2,457 GBP
Retailer 20£2,485 GBP
Retailer 12£2,680 GBP
Retailer 3£2,711 GBP
Retailer 15£2,737 GBP
Retailer 16£2,862 GBP
Retailer 5£3,390 GBP
Retailer 17£3,935 GBP
NZ Jewellers£4,094 GBP

22 data points across 20 retailers

21 retailers£1,739 GBP to £4,094 GBP

A
Cheapest Retailer
-
£1,739 GBP
HK$18,200 HKD
A
Retailer 2
-
£2,105 GBP
$2,820 USD
View
A
Retailer 3
-
£2,105 GBP
$2,820 USD
View
A
Retailer 4
-
£2,147 GBP
$2,877 USD
View
A
Retailer 5
-
£2,169 GBP
$2,906 USD
View
Final sale: no returns
A
Retailer 6
-
£2,305 GBP
View
A
Retailer 7
-
£2,350 GBP
$3,149 USD
View
A
Retailer 8
-
£2,350 GBP
$3,149 USD
View
Retailer 9
-
£2,350 GBP
$3,149 USD
View
Price last confirmed 17 days ago
A
Retailer 10
-
£2,438 GBP
SGD 4,414 SGD
View
A
Retailer 11
-
£2,440 GBP
$3,270 USD
View
A
Retailer 12
-
£2,441 GBP
View
A
Retailer 13
-
£2,457 GBP
$3,292 USD
View
Retailer 14
-
£2,485 GBP
$3,329 USD
View
Price last confirmed 10 days ago
Retailer 15
-
£2,680 GBP
A$5,525 AUD
View
Price last confirmed 25 days ago
B+
Retailer 16
-
£2,711 GBP
$3,633 USD
View
B+
Retailer 17
-
£2,737 GBP
€3,493 EUR
View
B+
Retailer 18
-
£2,862 GBP
ZAR 61,947 ZAR
View
B
Retailer 19
-
£3,390 GBP
$4,542 USD
View
Retailer 20
-
£3,935 GBP
View
Price last confirmed 8 days ago
Most Expensive
B
NZ Jewellers
fdce6265-b1b4-4d6b-b07d-92932a50eab0 · Oct 27
£4,094 GBP
$5,486 USD
View
20 more retailers have this diamond
Prices start from £1,739 GBPSave up to £2,356 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
1.02ct Marquise
£1,739 GBP