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Round|Natural|GIA

1.20ct E SI2 Round Natural Diamond

EX • E/SI2 • GIA 6565551713

Certificate GIA 6565551713

Diamond specifications and retailer prices

From $3,597 SGD
As of November 4, 2026
Save $4,720 SGD (57%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $8,346 SGD 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 E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6565551713. Listed at 18 retailers as of November 4, 2026, with a 131% 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
E
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 6565551713
Dimensions6.75 × 6.78 × 4.25 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather, Needle, Indented Natural, Natural
Top View
6.75 mm6.78 mm1.20 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6565551713
Side View
Table 57.0%Crown 36°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.8%

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 4
Current: $8,346 SGD|Low: $3,564 SGD|High: $8,346 SGD|Avg: $5,297 SGD|+0.4%
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
Retailer 16
Retailer 17
November 6, 2026
Retailer 15$3,597 SGD
Retailer 13$3,740 SGD
Retailer 2$4,190 SGD
Retailer 6$4,312 SGD
Retailer 8$4,405 SGD
Retailer 10$4,540 SGD
Retailer 3$4,773 SGD
Retailer 7$4,773 SGD
Retailer 11$4,881 SGD
Retailer 4$4,957 SGD
Retailer 5$4,960 SGD
Retailer 16$5,105 SGD
Retailer 17$5,508 SGD
Retailer 12$5,545 SGD
Retailer 14$7,961 SGD
Retailer 9$8,317 SGD
Queensmith$8,346 SGD

15 data points across 17 retailers

18 retailers$3,597 SGD to $8,317 SGD

A
Cheapest Retailer
-
$3,597 SGD
A
Retailer 2
-
$3,740 SGD
View
A
Retailer 3
-
$4,190 SGD
View
A
Retailer 4
-
$4,311 SGD
View
A
Retailer 5
-
$4,312 SGD
View
A
Retailer 6
-
$4,405 SGD
View
Final sale: no returns
A
Retailer 7
-
$4,540 SGD
View
Retailer 8
-
$4,773 SGD
View
Price last confirmed 8 days ago
B+
Retailer 9
-
$4,773 SGD
View
B+
Retailer 10
-
$4,881 SGD
View
B+
Retailer 11
-
$4,957 SGD
View
B+
Retailer 12
-
$4,960 SGD
View
B+
Retailer 13
-
$5,105 SGD
View
B+
Retailer 14
-
$5,508 SGD
View
B+
Retailer 15
-
$5,545 SGD
View
B
Retailer 16
-
$7,961 SGD
View
B
Retailer 17
-
$8,317 SGD
View
Most Expensive
Queensmith
6565551713 · Oct 28
$8,346 SGD
£5,145 GBP
View
Price last confirmed 8 days ago
17 more retailers have this diamond
Prices start from $3,597 SGDSave up to $4,720 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.

A
1.20ct Round
$3,597 SGD