Round|Natural|GIA

1.20ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 6214999900

Certificate GIA 6214999900

Diamond specifications and retailer prices

From $3,345 USD
As of October 31, 2026
Save $4,247 USD (56%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $7,592 USD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.2ct natural round diamond

This 1.2ct natural round sits in the classic one-carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6214999900. Listed at 22 retailers as of October 30, 2026, with prices from $3,345 to $7,592, a $4,247 spread on the same certified stone. NZ Jewellers lists it at $7,592. 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
I
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 6214999900
Dimensions6.77 × 6.73 × 4.21 mm
L/W Ratio1.01
Top View
6.77 mm6.73 mm1.20 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6214999900
Side View
Table 59.0%Crown 35°Girdle: STK-STKPavilion 41.6°Culet: NoneDepth 62.6%

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 31
Current: $7,592 USD|Low: $2,467 USD|High: $7,592 USD|Avg: $4,502 USD
NZ Jewellers
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
Retailer 21
November 1, 2026
Retailer 6$3,345 USD
Retailer 17$3,405 USD
Retailer 20$3,405 USD
Retailer 5$3,474 USD
Retailer 7$3,643 USD
Retailer 3$3,770 USD
Retailer 21$3,939 USD
Retailer 10$3,948 USD
Retailer 11$3,948 USD
Retailer 19$3,948 USD
Retailer 8$4,400 USD
Retailer 18$4,400 USD
Retailer 13$4,430 USD
Retailer 9$4,550 USD
Retailer 12$4,555 USD
Retailer 14$4,563 USD
Retailer 16$4,663 USD
Retailer 4$4,929 USD
Retailer 15$5,357 USD
Retailer 2$6,941 USD
NZ Jewellers$7,592 USD

39 data points across 21 retailers

22 retailers$3,345 USD to $7,592 USD

B+
Cheapest Retailer
-
$3,345 USD
Retailer 2
-
$3,405 USD
View
Price last confirmed 11 days ago
B+
Retailer 3
-
$3,405 USD
View
B+
Retailer 4
-
$3,474 USD
View
B+
Retailer 5
-
$3,615 USD
A$5,561 AUD
View
B+
Retailer 6
-
$3,643 USD
View
Final sale: no returns
B
Retailer 7
-
$3,770 USD
View
B+
Retailer 8
-
$3,939 USD
View
B+
Retailer 9
-
$3,948 USD
View
B+
Retailer 10
-
$3,948 USD
View
B+
Retailer 11
-
$3,948 USD
View
B
Retailer 12
-
$4,400 USD
View
B
Retailer 13
-
$4,400 USD
View
B+
Retailer 14
-
$4,430 USD
£3,489 GBP
View
B
Retailer 15
-
$4,550 USD
View
B
Retailer 16
-
$4,555 USD
View
Retailer 17
-
$4,563 USD
A$7,020 AUD
View
Price last confirmed 22 days ago
B
Retailer 18
-
$4,663 USD
€4,441 EUR
View
Retailer 19
-
$4,929 USD
View
Price last confirmed 9 days ago
B
Retailer 20
-
$5,357 USD
ZAR 86,537 ZAR
View
B
Retailer 21
-
$6,941 USD
£5,465 GBP
View
Most Expensive
B
NZ Jewellers
440ebb56-612b-4092-b945-f332abe39867 · Oct 30
$7,592 USD
View
21 more retailers have this diamond
Prices start from $3,345 USDSave up to $4,247 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
$3,345 USD