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Round|Natural|GIA

1.20ct D SI2 Round Natural Diamond

EX • D/SI2 • GIA 5543335043

Certificate GIA 5543335043

Diamond specifications and retailer prices

From $5,009 NZD
As of November 6, 2026
Save $6,418 NZD (56%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $11,638 NZD at Queensmith · As of October 28, 2026
View at Queensmith

About this 1.2ct natural round diamond

This 1.2ct natural round sits in the classic one-carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5543335043. Listed at 20 retailers as of November 5, 2026, with a 128% 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
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 5543335043
Dimensions6.82 × 6.78 × 4.23 mm
L/W Ratio1.01
Top View
6.82 mm6.78 mm1.20 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5543335043
Side View
Table 58.0%Crown 35°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 62.2%

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 6
Current: $11,638 NZD|Low: $5,009 NZD|High: $11,684 NZD|Avg: $7,629 NZD|+2.6%
Queensmith
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
November 6, 2026
Retailer 4$5,009 NZD
Retailer 2$5,181 NZD
Retailer 11$5,830 NZD
Retailer 15$5,938 NZD
Retailer 8$6,276 NZD
Retailer 3$6,559 NZD
Retailer 7$6,559 NZD
Retailer 12$6,747 NZD
Retailer 14$6,812 NZD
Retailer 9$6,950 NZD
Retailer 5$7,569 NZD
Retailer 10$7,636 NZD
Retailer 13$10,941 NZD
Retailer 6$11,428 NZD
Queensmith$11,638 NZD

25 data points across 15 retailers

20 retailers$5,009 NZD to $11,428 NZD

A
Cheapest Retailer
-
$5,009 NZD
A
Retailer 2
-
$5,181 NZD
View
A
Retailer 3
-
$5,830 NZD
View
A
Retailer 4
-
$5,938 NZD
View
A
Retailer 5
-
$6,054 NZD
View
Final sale: no returns
A
Retailer 6
-
$6,137 NZD
View
A
Retailer 7
-
$6,276 NZD
View
Retailer 8
-
$6,559 NZD
View
Price last confirmed 12 days ago
B+
Retailer 9
-
$6,559 NZD
View
A
Retailer 10
-
$6,747 NZD
View
B+
Retailer 11
-
$6,812 NZD
View
B+
Retailer 12
-
$6,821 NZD
View
B+
Retailer 13
-
$6,950 NZD
View
B+
Retailer 14
-
$7,026 NZD
View
B+
Retailer 15
-
$7,569 NZD
View
B+
Retailer 16
-
$7,636 NZD
View
B
Retailer 17
-
$10,941 NZD
View
B
Retailer 18
-
$11,428 NZD
View
Retailer 19
-
$11,428 NZD
View
Price last confirmed 20 days ago
Most Expensive
Queensmith
5543335043 · Oct 28
$11,638 NZD
£5,080 GBP
View
Price last confirmed 9 days ago
19 more retailers have this diamond
Prices start from $5,009 NZDSave up to $6,418 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
$5,009 NZD