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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 $3,277 USD
HK$25,600 HKD
As of October 30, 2026
Save $5,544 USD (63%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $8,821 USD 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 $3,277 to $8,821, a $5,544 spread on the same certified stone. Diamond Quarter lists it at $8,821. 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
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 30
Current: $4,502 USD|Low: $3,277 USD|High: $7,779 USD|Avg: $4,738 USD|-3.2%
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 2$3,277 USD
Retailer 15$3,485 USD
Retailer 3$3,733 USD
Retailer 12$3,800 USD
Retailer 9$4,045 USD
Retailer 16$4,045 USD
Retailer 18$4,045 USD
Retailer 1$4,502 USD
Retailer 6$4,560 USD
Retailer 17$4,560 USD
Retailer 11$4,579 USD
Retailer 10$4,667 USD
Retailer 8$4,710 USD
Retailer 4$4,763 USD
Retailer 5$5,050 USD
Retailer 13$5,437 USD
Retailer 14$7,121 USD
Retailer 7$7,779 USD

44 data points across 18 retailers

19 retailers$3,277 USD to $8,821 USD

A
Cheapest Retailer
-
$3,277 USD
HK$25,600 HKD
A
Retailer 2
-
$3,485 USD
View
B+
Retailer 3
-
$3,733 USD
View
Final sale: no returns
A
Retailer 4
-
$3,800 USD
View
B+
Retailer 5
-
$4,045 USD
View
B+
Retailer 6
-
$4,045 USD
View
B+
Retailer 7
-
$4,045 USD
View
B+
Retailer 8
-
$4,502 USD
£3,545 GBP
View
B+
Retailer 9
-
$4,560 USD
View
B+
Retailer 10
-
$4,560 USD
View
B+
Retailer 11
-
$4,579 USD
€4,361 EUR
View
B+
Retailer 12
-
$4,667 USD
View
B+
Retailer 13
-
$4,710 USD
View
Retailer 14
-
$4,763 USD
A$7,327 AUD
View
Price last confirmed 21 days ago
Retailer 15
-
$5,050 USD
View
Price last confirmed 8 days ago
B+
Retailer 16
-
$5,437 USD
ZAR 87,836 ZAR
View
B
Retailer 17
-
$7,121 USD
£5,607 GBP
View
B
Retailer 18
-
$7,779 USD
View
Most Expensive
B
Diamond Quarter
1.2SI1D74271D2FN · Oct 29
$8,821 USD
£6,946 GBP
View
18 more retailers have this diamond
Prices start from $3,277 USDSave up to $5,544 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.

A
1.20ct Round
$3,277 USD