Radiant|Natural|GIA

1.20ct H SI2 Radiant Natural Diamond

EX • H/SI2 • GIA 2554784839

Certificate GIA 2554784839

Diamond specifications and retailer prices

From $4,871 NZD
As of November 6, 2026
Save $5,874 NZD (55%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $10,745 NZD at MOH London · As of November 4, 2026
View at MOH London

About this 1.2ct natural radiant diamond

This 1.2ct natural radiant sits in the classic one-carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2554784839. Listed at 6 retailers as of November 4, 2026, with prices from $4,871 to $10,745, a $5,874 spread on the same certified stone. MOH London lists it at $10,745. 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
H
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2554784839
Dimensions7.27 × 5.44 × 3.78 mm
L/W Ratio1.34
Girdle conditionSlightly Thick to Thick
Culet sizeNone
Top View
7.27 mm5.44 mm1.20 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2554784839
Side View
Table 69.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 69.4%

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 6
Current: $10,745 NZD|Low: $4,825 NZD|High: $10,829 NZD|Avg: $6,839 NZD|+0.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 7, 2026
Retailer 5$4,871 NZD
Retailer 8$5,040 NZD
Retailer 6$5,332 NZD
Retailer 3$6,422 NZD
Retailer 2$6,665 NZD
Retailer 9$6,685 NZD
Retailer 7$7,017 NZD
Retailer 4$7,497 NZD
MOH London$10,745 NZD

42 data points across 9 retailers

6 retailers$4,871 NZD to $10,745 NZD

B+
Cheapest Retailer
-
$4,871 NZD
B+
Retailer 2
-
$5,332 NZD
View
B+
Retailer 3
-
$6,422 NZD
View
B
Retailer 4
-
$6,665 NZD
View
B
Retailer 5
-
$7,497 NZD
View
Most Expensive
B
MOH London
CF378791B · Nov 4
$10,745 NZD
£4,690 GBP
View
5 more retailers have this diamond
Prices start from $4,871 NZDSave up to $5,874 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 Radiant
$4,871 NZD