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Round|Natural|GIA

1.20ct M SI1 Round Natural Diamond

EX • M/SI1 • GIA 1555088566

Certificate GIA 1555088566

Diamond specifications and retailer prices

From $2,523 SGD
As of November 2, 2026
Save $3,703 SGD (59%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $6,226 SGD at NZ Jewellers · As of November 2, 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 M colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1555088566. Listed at 6 retailers as of November 2, 2026, with prices from $2,523 to $6,226, a $3,703 spread on the same certified stone. NZ Jewellers lists it at $6,226. 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
M
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1555088566
Dimensions6.72 × 6.79 × 4.22 mm
L/W Ratio1.01
Girdle conditionSlightly Thick
Key to symbols
Crystal, Cloud, Needle, Indented Natural
Top View
6.72 mm6.79 mm1.20 ctM / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 1555088566
Side View
Table 57.0%Crown 36°GirdlePavilion 40.8°CuletDepth 62.4%

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 2
Current: $6,226 SGD|Low: $2,523 SGD|High: $6,226 SGD|Avg: $3,381 SGD|+13.5%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 3$2,523 SGD
Retailer 6$2,552 SGD
Retailer 7$2,576 SGD
Retailer 5$2,599 SGD
Retailer 4$2,671 SGD
Retailer 2$2,857 SGD
Retailer 9$3,703 SGD
Retailer 8$4,523 SGD
NZ Jewellers$6,226 SGD

31 data points across 9 retailers

6 retailers$2,523 SGD to $6,226 SGD

B+
Cheapest Retailer
-
$2,523 SGD
B+
Retailer 2
-
$2,552 SGD
View
B
Retailer 3
-
$2,599 SGD
View
B
Retailer 4
-
$2,671 SGD
View
B
Retailer 5
-
$2,857 SGD
View
Most Expensive
C
NZ Jewellers
098a6ff9-c6fb-4ece-b88b-436af5113d95 · Nov 2
$6,226 SGD
$4,874 USD
View
5 more retailers have this diamond
Prices start from $2,523 SGDSave up to $3,703 SGD

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 Round
$2,523 SGD