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Marquise|Natural|GIA

1.20ct G SI1 Marquise Natural Diamond

ID • G/SI1 • GIA 6545836244

Certificate GIA 6545836244

Diamond specifications and retailer prices

From $9,748 NZD
As of November 4, 2026
Save $7,777 NZD (44%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $17,525 NZD at Wholesale Diamonds Direct · As of November 6, 2026
View at Wholesale Diamonds Direct

About this 1.2ct natural marquise diamond

This 1.2ct natural marquise sits in the classic one-carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6545836244. Listed at 12 retailers as of November 4, 2026, with prices from $9,748 to $17,525, a $7,777 spread on the same certified stone. Wholesale Diamonds Direct lists it at $17,525. 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

1.20
Carat
G
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle38.6°
Pavilion angle38.4°
OriginNatural
Grading LabGIA
CertificateGIA 6545836244
Dimensions10.17 × 5.57 × 3.44 mm
L/W Ratio1.83
Top View
10.17 mm5.57 mm1.20 ctG / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6545836244
Side View
Table 59.0%Crown 38.6°Girdle: THK-VTKPavilion 38.4°Culet: NoneDepth 61.8%

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: Nov 4
Current: $11,718 NZD|Low: $9,748 NZD|High: $15,160 NZD|Avg: $11,849 NZD|+0.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 7, 2026
Retailer 5$9,748 NZD
Retailer 6$10,409 NZD
Retailer 7$11,641 NZD
Retailer 1$11,718 NZD
Retailer 4$11,832 NZD
Retailer 2$12,416 NZD
Retailer 3$15,055 NZD

46 data points across 7 retailers

12 retailers$9,748 NZD to $17,525 NZD

B+
Cheapest Retailer
-
$9,748 NZD
B
Retailer 2
-
$10,409 NZD
View
B
Retailer 3
-
$11,641 NZD
View
B
Retailer 4
-
$11,718 NZD
View
B
Retailer 5
-
$11,832 NZD
View
B
Retailer 6
-
$12,416 NZD
View
B
Retailer 7
-
$12,447 NZD
View
B
Retailer 8
-
$12,447 NZD
View
B
Retailer 9
-
$12,629 NZD
View
B
Retailer 10
-
$12,862 NZD
View
B
Retailer 11
-
$15,055 NZD
View
Most Expensive
B
Wholesale Diamonds Direct
235881660 · Nov 6
$17,525 NZD
$9,715 USD
View
11 more retailers have this diamond
Prices start from $9,748 NZDSave up to $7,777 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
$9,748 NZD