Round|Natural|GIA

1.20ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 2567034651

Certificate GIA 2567034651

Diamond specifications and retailer prices

From $5,758 USD
£4,534 GBP
As of October 30, 2026
Save $732 USD (11%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $8,407 USD at Wholesale Diamonds Direct · As of October 21, 2026
View at Wholesale Diamonds Direct

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 2567034651. Listed at 17 retailers as of October 30, 2026, with a relatively tight 13% spread, which is unusual at this carat range and suggests competitive pricing across the listings. 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
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 2567034651
Dimensions6.74 × 6.77 × 4.24 mm
L/W Ratio1.00
Culet sizeNone
Top View
6.74 mm6.77 mm1.20 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2567034651
Side View
Table 56.0%Crown 36.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $5,758 USD|Low: $4,657 USD|High: $8,829 USD|Avg: $6,214 USD|+3.5%
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
Wholesale Diamonds Direct
October 30, 2026
Retailer 3$4,657 USD
Retailer 4$4,869 USD
Retailer 9$4,887 USD
Retailer 14$4,980 USD
Retailer 16$5,133 USD
Retailer 1$5,758 USD
Retailer 7$5,875 USD
Retailer 10$5,884 USD
Retailer 17$6,007 USD
Retailer 15$6,040 USD
Retailer 11$6,280 USD
Retailer 12$6,280 USD
Retailer 13$6,490 USD
Retailer 5$6,522 USD
Retailer 2$6,576 USD
Retailer 6$7,930 USD
Retailer 8$8,113 USD
Wholesale Diamonds Direct$8,407 USD

24 data points across 18 retailers

17 retailers$5,758 USD to $6,490 USD

Retailer 1
-
$4,657 USD
Price last confirmed 7 days ago
Retailer 2
-
$4,869 USD
View
Price last confirmed 9 days ago
Retailer 3
-
$4,887 USD
SGD 6,604 SGD
View
Price last confirmed 8 days ago
Retailer 4
-
$4,980 USD
View
Price last confirmed 7 days ago
Retailer 5
-
$5,133 USD
SGD 6,937 SGD
View
Price last confirmed 8 days ago
B
Retailer 6
-
$5,758 USD
£4,534 GBP
View
Retailer 7
-
$5,875 USD
View
Price last confirmed 9 days ago
B+
Retailer 8
-
$5,884 USD
View
Retailer 9
-
$6,007 USD
£4,730 GBP
View
Price last confirmed 7 days ago
Retailer 10
-
$6,040 USD
€5,752 EUR
View
Price last confirmed 8 days ago
B
Retailer 11
-
$6,280 USD
View
B
Retailer 12
-
$6,280 USD
View
B
Retailer 13
-
$6,490 USD
View
Retailer 14
-
$6,522 USD
View
Price last confirmed 9 days ago
Retailer 15
-
$7,930 USD
View
Price last confirmed 10 days ago
Retailer 16
-
$8,113 USD
View
Price last confirmed 8 days ago
Most Expensive
Wholesale Diamonds Direct
564304264 · Oct 21
$8,407 USD
View
Price last confirmed 9 days ago
16 more retailers have this diamond
Prices start from $5,758 USDSave up to $732 USD

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
$5,758 USD