Marquise|Natural|GIA

2.00ct D SI1 Marquise Natural Diamond

EX • D/SI1 • GIA 6551901825

Certificate GIA 6551901825

Diamond specifications and retailer prices

From £16,933 GBP
$22,688 USD
As of October 30, 2026
Save £11,591 GBP (41%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £28,523 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 2ct natural marquise diamond

This 2ct natural marquise sits in the two to three 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 6551901825. Listed at 15 retailers as of October 30, 2026, with prices from £16,933 to £28,523, a £11,591 spread on the same certified stone. MOH London lists it at £28,523. 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

2.00
Carat
D
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Pavilion angle37.41°
OriginNatural
Grading LabGIA
CertificateGIA 6551901825
Dimensions14.19 × 6.29 × 3.71 mm
L/W Ratio2.26
Key to symbols
Feather, Extra Facet
Top View
14.19 mm6.29 mm2.00 ctD / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 6551901825
Side View
Table 61.0%CrownGirdle: THK-VTKPavilion 37.41°Culet: NoneDepth 58.9%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £28,523 GBP|Low: £15,027 GBP|High: £29,264 GBP|Avg: £19,533 GBP|+0.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 12£15,027 GBP
Retailer 3£16,728 GBP
Retailer 6£16,933 GBP
Retailer 2£17,049 GBP
Retailer 7£17,457 GBP
Retailer 10£18,337 GBP
Retailer 9£20,009 GBP
Retailer 11£20,009 GBP
Retailer 4£20,340 GBP
Retailer 8£20,681 GBP
Retailer 5£21,966 GBP
MOH London£28,523 GBP

30 data points across 12 retailers

15 retailers£16,933 GBP to £28,523 GBP

Retailer 1
-
£15,027 GBP
HK$157,300 HKD
Price last confirmed 32 days ago
B+
Retailer 2
-
£16,933 GBP
$22,688 USD
View
B+
Retailer 3
-
£17,049 GBP
€21,757 EUR
View
B+
Retailer 4
-
£17,457 GBP
$23,390 USD
View
B+
Retailer 5
-
£17,857 GBP
A$36,810 AUD
View
B
Retailer 6
-
£18,337 GBP
$24,569 USD
View
Final sale: no returns
B+
Retailer 7
-
£20,009 GBP
$26,810 USD
View
B+
Retailer 8
-
£20,009 GBP
$26,810 USD
View
B
Retailer 9
-
£20,340 GBP
A$41,928 AUD
View
Retailer 10
-
£20,585 GBP
$27,582 USD
View
Price last confirmed 31 days ago
B
Retailer 11
-
£20,681 GBP
$27,710 USD
View
Retailer 12
-
£21,239 GBP
$28,458 USD
View
Price last confirmed 33 days ago
B
Retailer 13
-
£21,966 GBP
€28,030 EUR
View
Retailer 14
-
£25,162 GBP
$33,714 USD
View
Price last confirmed 32 days ago
Most Expensive
B
MOH London
03B347DF4 · Nov 1
£28,523 GBP
View
14 more retailers have this diamond
Prices start from £16,933 GBPSave up to £11,591 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.

B+
2.00ct Marquise
£16,933 GBP