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Marquise|Natural|GIA

0.64ct H SI1 Marquise Natural Diamond

VG • H/SI1 • GIA 2131563788

Certificate GIA 2131563788

Diamond specifications and retailer prices

From $1,704 AUD
$1,194 USD
As of November 1, 2026
Save $1,326 AUD (44%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $3,720 AUD at MOH London · As of October 26, 2026
View at MOH London

About this 0.64ct natural marquise diamond

This 0.64ct natural marquise sits in the half to three-quarter carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade stated by the retailer rather than the lab and certified by GIA 2131563788. Listed at 9 retailers as of October 31, 2026, with a 78% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.64
Carat
H
Colour
SI1
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishGood
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2131563788
Dimensions10.07 × 4.19 × 2.66 mm
L/W Ratio2.40
Girdle conditionFaceted
Culet sizeSmall
Top View
10.07 mm4.19 mm0.64 ctH / SI1
OriginNatural
CutVery Good
PolishGood
SymmetryGood
FluorescenceNone
CertificateGIA 2131563788
Side View
Table 55.0%CrownGirdle: THN-THKPavilionCulet: SmallDepth 63.4%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $3,720 AUD|Low: $1,719 AUD|High: $3,760 AUD|Avg: $2,543 AUD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 2, 2026
Retailer 5$1,719 AUD
Retailer 7$1,838 AUD
Retailer 8$1,912 AUD
Retailer 3$2,243 AUD
Retailer 6$2,647 AUD
Retailer 2$2,826 AUD
Retailer 4$3,030 AUD
MOH London$3,720 AUD

45 data points across 8 retailers

9 retailers$1,704 AUD to $3,030 AUD

B
Cheapest Retailer
-
$1,704 AUD
$1,194 USD
Retailer 2
-
$1,719 AUD
$1,205 USD
View
Price last confirmed 15 days ago
B
Retailer 3
-
$1,838 AUD
$1,288 USD
View
B
Retailer 4
-
$1,962 AUD
$1,375 USD
View
B
Retailer 5
-
$2,243 AUD
£1,238 GBP
View
Retailer 6
-
$2,647 AUD
View
Price last confirmed 27 days ago
B
Retailer 7
-
$2,826 AUD
€1,886 EUR
View
B
Retailer 8
-
$3,030 AUD
ZAR 34,306 ZAR
View
Most Expensive
MOH London
34A5E52DC · Oct 26
$3,720 AUD
£2,053 GBP
View
Price under review
8 more retailers have this diamond
Prices start from $1,704 AUDSave up to $1,326 AUD

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
0.64ct Marquise
$1,704 AUD