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Marquise|Natural|GIA

0.90ct D SI1 Marquise Natural Diamond

EX • D/SI1 • GIA 6247044131

Certificate GIA 6247044131

Diamond specifications and retailer prices

From £1,641 GBP
HK$17,200 HKD
As of November 1, 2026
Save £3,670 GBP (69%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £5,311 GBP at Moon Ocean · As of November 2, 2026
View at Moon Ocean

About this 0.9ct natural marquise diamond

This 0.9ct natural marquise sits in the just-under-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 6247044131. Listed at 20 retailers as of November 1, 2026, with prices from £1,641 to £5,311, a £3,670 spread on the same certified stone. Moon Ocean lists it at £5,311. 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

0.90
Carat
D
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6247044131
Dimensions9.67 × 4.95 × 3.14 mm
L/W Ratio1.95
Girdle conditionFaceted
Top View
9.67 mm4.95 mm0.90 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6247044131
Side View
Table 58.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 63.5%

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 1
Current: £5,311 GBP|Low: £1,631 GBP|High: £5,463 GBP|Avg: £2,610 GBP|-2.7%
Moon Ocean
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
November 2, 2026
Retailer 16£1,641 GBP
Retailer 3£1,781 GBP
Retailer 18£1,933 GBP
Retailer 14£1,960 GBP
Retailer 5£1,965 GBP
Retailer 9£2,040 GBP
Retailer 4£2,042 GBP
Retailer 20£2,052 GBP
Retailer 7£2,146 GBP
Retailer 2£2,151 GBP
Retailer 10£2,246 GBP
Retailer 12£2,280 GBP
Retailer 11£2,287 GBP
Retailer 6£2,414 GBP
Retailer 17£2,534 GBP
Retailer 15£3,279 GBP
Retailer 8£3,324 GBP
Retailer 13£3,718 GBP
Retailer 19£4,648 GBP
Moon Ocean£5,311 GBP

24 data points across 20 retailers

20 retailers£1,641 GBP to £5,311 GBP

A
Cheapest Retailer
-
£1,641 GBP
HK$17,200 HKD
A
Retailer 2
-
£1,781 GBP
$2,390 USD
View
B+
Retailer 3
-
£1,933 GBP
A$3,991 AUD
View
B+
Retailer 4
-
£1,960 GBP
€2,505 EUR
View
B+
Retailer 5
-
£1,965 GBP
$2,637 USD
View
B+
Retailer 6
-
£2,040 GBP
$2,738 USD
View
B+
Retailer 7
-
£2,042 GBP
$2,740 USD
View
B+
Retailer 8
-
£2,052 GBP
$2,754 USD
View
Final sale: no returns
B+
Retailer 9
-
£2,146 GBP
$2,880 USD
View
B+
Retailer 10
-
£2,151 GBP
View
B+
Retailer 11
-
£2,246 GBP
$3,014 USD
View
B+
Retailer 12
-
£2,280 GBP
$3,060 USD
View
B+
Retailer 13
-
£2,287 GBP
SGD 4,148 SGD
View
Retailer 14
-
£2,422 GBP
A$5,000 AUD
View
Price last confirmed 25 days ago
B+
Retailer 15
-
£2,534 GBP
€3,239 EUR
View
B
Retailer 16
-
£3,279 GBP
ZAR 71,096 ZAR
View
B
Retailer 17
-
£3,324 GBP
$4,460 USD
View
B
Retailer 18
-
£3,718 GBP
View
B
Retailer 19
-
£4,648 GBP
$6,238 USD
View
Most Expensive
B
Moon Ocean
NVN-05AACC00F-131 · Nov 2
£5,311 GBP
View
19 more retailers have this diamond
Prices start from £1,641 GBPSave up to £3,670 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
0.90ct Marquise
£1,641 GBP