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Round|Natural|GIA

1.20ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 6531761022

Certificate GIA 6531761022

Diamond specifications and retailer prices

From $6,291 NZD
HK$27,700 HKD
As of November 1, 2026
Save $7,074 NZD (53%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $14,986 NZD at NZ Jewellers · As of September 26, 2026
View at NZ Jewellers

About this 1.2ct natural round diamond

This 1.2ct natural round sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6531761022. Listed at 21 retailers as of November 1, 2026, with a 112% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6531761022
Dimensions6.75 × 6.71 × 4.23 mm
L/W Ratio1.01
Top View
6.75 mm6.71 mm1.20 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6531761022
Side View
Table 56.0%Crown 35.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.9%

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: $8,924 NZD|Low: $6,223 NZD|High: $14,424 NZD|Avg: $8,673 NZD|-6.4%
Retailer 1
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
November 1, 2026
Retailer 14$6,291 NZD
Retailer 7$6,538 NZD
Retailer 5$6,689 NZD
Retailer 6$6,689 NZD
Retailer 15$7,017 NZD
Retailer 17$7,221 NZD
Retailer 10$8,074 NZD
Retailer 3$8,250 NZD
Retailer 4$8,250 NZD
Retailer 12$8,291 NZD
Retailer 16$8,534 NZD
Retailer 1$8,924 NZD
Retailer 9$9,033 NZD
Retailer 8$9,438 NZD
Retailer 2$9,759 NZD
Retailer 13$10,315 NZD
Retailer 11$13,365 NZD

24 data points across 17 retailers

21 retailers$6,291 NZD to $13,365 NZD

A
Cheapest Retailer
-
$6,291 NZD
HK$27,700 HKD
A
Retailer 2
-
$6,538 NZD
$3,685 USD
View
A
Retailer 3
-
$6,689 NZD
$3,770 USD
View
A
Retailer 4
-
$6,689 NZD
$3,770 USD
View
A
Retailer 5
-
$7,017 NZD
$3,955 USD
View
Final sale: no returns
B+
Retailer 6
-
$7,221 NZD
$4,070 USD
View
B+
Retailer 7
-
$8,074 NZD
£3,583 GBP
View
Retailer 8
-
$8,117 NZD
$4,575 USD
View
Price last confirmed 31 days ago
Retailer 9
-
$8,117 NZD
$4,575 USD
View
Price last confirmed 33 days ago
B+
Retailer 10
-
$8,250 NZD
$4,650 USD
View
B+
Retailer 11
-
$8,250 NZD
$4,650 USD
View
B+
Retailer 12
-
$8,291 NZD
£3,679 GBP
View
B+
Retailer 13
-
$8,534 NZD
$4,810 USD
View
B+
Retailer 14
-
$8,924 NZD
€4,790 EUR
View
Retailer 15
-
$9,033 NZD
A$7,832 AUD
View
Price last confirmed 23 days ago
Retailer 16
-
$9,367 NZD
$5,279 USD
View
Price last confirmed 33 days ago
Retailer 17
-
$9,438 NZD
$5,319 USD
View
Price last confirmed 9 days ago
B+
Retailer 18
-
$9,759 NZD
$5,500 USD
View
B+
Retailer 19
-
$10,315 NZD
ZAR 93,919 ZAR
View
B
Retailer 20
-
$13,365 NZD
£5,931 GBP
View
Most Expensive
NZ Jewellers
595b7f9b-053c-414c-b2ed-2d1751fec16f · Sep 26
$14,986 NZD
$8,446 USD
View
Price last confirmed 36 days ago
20 more retailers have this diamond
Prices start from $6,291 NZDSave up to $7,074 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.

A
1.20ct Round
$6,291 NZD