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Round|Natural|GIA

1.20ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 7416816327

Certificate GIA 7416816327

Diamond specifications and retailer prices

From $4,238 SGD
HK$25,900 HKD
As of October 31, 2026
Save $7,039 SGD (62%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $11,277 SGD at Diamond Quarter · As of October 29, 2026
View at Diamond Quarter

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 7416816327. Listed at 19 retailers as of October 29, 2026, with prices from $4,238 to $11,277, a $7,039 spread on the same certified stone. Diamond Quarter lists it at $11,277. 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
FluorescenceMedium
Crown angle34.5°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 7416816327
Dimensions6.80 × 6.76 × 4.22 mm
L/W Ratio1.01
Top View
6.80 mm6.76 mm1.20 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 7416816327
Side View
Table 59.0%Crown 34.5°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 62.3%

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: Oct 31
Current: $4,238 SGD|Low: $4,189 SGD|High: $9,945 SGD|Avg: $6,058 SGD|-5.5%
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
Retailer 18
October 31, 2026
Retailer 1$4,238 SGD
Retailer 16$4,455 SGD
Retailer 3$4,772 SGD
Retailer 13$4,858 SGD
Retailer 2$5,171 SGD
Retailer 9$5,171 SGD
Retailer 17$5,171 SGD
Retailer 11$5,755 SGD
Retailer 6$5,830 SGD
Retailer 18$5,830 SGD
Retailer 12$5,854 SGD
Retailer 10$5,966 SGD
Retailer 8$6,021 SGD
Retailer 4$6,088 SGD
Retailer 5$6,456 SGD
Retailer 14$6,951 SGD
Retailer 15$9,103 SGD
Retailer 7$9,945 SGD

44 data points across 18 retailers

19 retailers$4,238 SGD to $11,277 SGD

A
Cheapest Retailer
-
$4,238 SGD
HK$25,900 HKD
A
Retailer 2
-
$4,455 SGD
$3,485 USD
View
B+
Retailer 3
-
$4,772 SGD
$3,733 USD
View
Final sale: no returns
A
Retailer 4
-
$4,858 SGD
$3,800 USD
View
B+
Retailer 5
-
$5,171 SGD
$4,045 USD
View
B+
Retailer 6
-
$5,171 SGD
$4,045 USD
View
B+
Retailer 7
-
$5,171 SGD
$4,045 USD
View
B+
Retailer 8
-
$5,755 SGD
£3,545 GBP
View
B+
Retailer 9
-
$5,830 SGD
$4,560 USD
View
B+
Retailer 10
-
$5,830 SGD
$4,560 USD
View
B+
Retailer 11
-
$5,854 SGD
€4,361 EUR
View
B+
Retailer 12
-
$5,966 SGD
$4,667 USD
View
B+
Retailer 13
-
$6,021 SGD
$4,710 USD
View
Retailer 14
-
$6,088 SGD
A$7,327 AUD
View
Price last confirmed 21 days ago
Retailer 15
-
$6,456 SGD
$5,050 USD
View
Price last confirmed 8 days ago
B+
Retailer 16
-
$6,951 SGD
ZAR 87,836 ZAR
View
B
Retailer 17
-
$9,103 SGD
£5,607 GBP
View
B
Retailer 18
-
$9,945 SGD
$7,779 USD
View
Most Expensive
B
Diamond Quarter
1.2SI1D74271D2FN · Oct 29
$11,277 SGD
£6,946 GBP
View
18 more retailers have this diamond
Prices start from $4,238 SGDSave up to $7,039 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
$4,238 SGD