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Marquise|Natural|GIA

1.20ct K SI1 Marquise Natural Diamond

VG • K/SI1 • GIA 6233946315

Certificate GIA 6233946315

Diamond specifications and retailer prices

From $6,476 NZD
As of November 6, 2026
Save $7,611 NZD (54%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $14,087 NZD at MOH London · As of November 4, 2026
View at MOH London

About this 1.2ct natural marquise diamond

This 1.2ct natural marquise sits in the classic one-carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a very-good cut grade stated by the retailer rather than the lab and certified by GIA 6233946315. Listed at 13 retailers as of November 4, 2026, with prices from $6,476 to $14,087, a $7,611 spread on the same certified stone. MOH London lists it at $14,087. 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

1.20
Carat
K
Colour
SI1
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishExcellent
SymmetryVery Good
FluorescenceFaint
Pavilion angle40.42°
OriginNatural
Grading LabGIA
CertificateGIA 6233946315
Dimensions10.42 × 5.56 × 3.54 mm
L/W Ratio1.87
Key to symbols
Feather
Top View
10.42 mm5.56 mm1.20 ctK / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6233946315
Side View
Table 62.0%CrownGirdle: STK-VTKPavilion 40.42°Culet: NoneDepth 63.7%

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 6
Current: $14,087 NZD|Low: $6,476 NZD|High: $14,296 NZD|Avg: $8,838 NZD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 6, 2026
Retailer 7$6,476 NZD
Retailer 12$6,579 NZD
Retailer 5$7,001 NZD
Retailer 3$7,069 NZD
Retailer 13$7,088 NZD
Retailer 10$8,035 NZD
Retailer 11$8,168 NZD
Retailer 9$8,661 NZD
Retailer 2$8,680 NZD
Retailer 4$9,792 NZD
Retailer 8$9,995 NZD
Retailer 6$10,820 NZD
MOH London$14,087 NZD

45 data points across 13 retailers

13 retailers$6,476 NZD to $14,087 NZD

B
Cheapest Retailer
-
$6,476 NZD
B
Retailer 2
-
$6,579 NZD
View
B
Retailer 3
-
$7,001 NZD
View
B
Retailer 4
-
$7,069 NZD
View
B
Retailer 5
-
$7,088 NZD
View
Retailer 6
-
$8,035 NZD
View
Price last confirmed 21 days ago
B
Retailer 7
-
$8,168 NZD
View
B
Retailer 8
-
$8,661 NZD
View
B
Retailer 9
-
$8,680 NZD
View
Retailer 10
-
$9,792 NZD
View
Price last confirmed 14 days ago
B
Retailer 11
-
$9,995 NZD
View
B
Retailer 12
-
$10,820 NZD
View
Most Expensive
B
MOH London
D48607FDD · Nov 4
$14,087 NZD
£6,149 GBP
View
12 more retailers have this diamond
Prices start from $6,476 NZDSave up to $7,611 NZD

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
1.20ct Marquise
$6,476 NZD