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1.20ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 7501832841

Certificate GIA 7501832841

Diamond specifications and retailer prices

From $15,507 SGD
£9,551 GBP
As of October 29, 2026
15 retailers carry this diamond
Most expensive: $15,507 SGD at Diamond Quarter
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 7501832841. Listed at 15 retailers as of October 29, 2026. 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
FluorescenceNone
Crown angle34.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 7501832841
Dimensions6.77 × 6.74 × 4.18 mm
L/W Ratio1.00
Culet sizeNone
Top View
6.77 mm6.74 mm1.20 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7501832841
Side View
Table 58.0%Crown 34.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 61.9%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 29
Current: $7,634 SGD|Low: $6,175 SGD|High: $13,145 SGD|Avg: $8,005 SGD|-0.3%
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
Retailer 19
Retailer 20
October 16, 2026
Retailer 17$6,209 SGD
Retailer 5$6,258 SGD
Retailer 3$6,271 SGD
Retailer 20$6,660 SGD
Retailer 8$7,035 SGD
Retailer 11$7,094 SGD
Retailer 6$7,119 SGD
Retailer 7$7,119 SGD
Retailer 19$7,119 SGD
Retailer 10$7,481 SGD
Retailer 12$7,526 SGD
Retailer 1$7,634 SGD
Retailer 4$7,810 SGD
Retailer 16$8,164 SGD
Retailer 2$8,215 SGD
Retailer 13$8,312 SGD
Retailer 9$8,668 SGD
Retailer 15$9,544 SGD
Retailer 14$11,703 SGD
Retailer 18$13,145 SGD

21 data points across 20 retailers

15 retailers

Retailer 1
-
$6,209 SGD
$4,857 USD
Price last confirmed 16 days ago
Retailer 2
-
$6,271 SGD
$4,905 USD
View
Price last confirmed 24 days ago
Retailer 3
-
$7,035 SGD
$5,503 USD
View
Price last confirmed 15 days ago
Retailer 4
-
$7,119 SGD
$5,569 USD
View
Price last confirmed 15 days ago
Retailer 5
-
$7,119 SGD
$5,569 USD
View
Price last confirmed 22 days ago
Retailer 6
-
$7,119 SGD
$5,569 USD
View
Price last confirmed 15 days ago
Retailer 7
-
$7,526 SGD
£4,635 GBP
View
Price last confirmed 15 days ago
Retailer 8
-
$7,634 SGD
£4,702 GBP
View
Price last confirmed 15 days ago
Retailer 9
-
$7,810 SGD
A$9,399 AUD
View
Price last confirmed 27 days ago
Retailer 10
-
$8,215 SGD
$6,426 USD
View
Price last confirmed 22 days ago
Retailer 11
-
$8,668 SGD
$6,780 USD
View
Price last confirmed 17 days ago
Retailer 12
-
$9,544 SGD
ZAR 120,609 ZAR
View
Price last confirmed 19 days ago
Retailer 13
-
$11,703 SGD
£7,208 GBP
View
Price last confirmed 16 days ago
Retailer 14
-
$13,145 SGD
$10,282 USD
View
Price last confirmed 22 days ago
Most Expensive
B
Diamond Quarter
1.2SI1D754149C9N · Oct 29
$15,507 SGD
£9,551 GBP
View
14 more retailers have this diamond

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
$15,507 SGD