Round|Natural|GIA

1.20ct I IF Round Natural Diamond

EX • I/IF • GIA 6542156690

Certificate GIA 6542156690

Diamond specifications and retailer prices

From $3,866 USD
HK$30,200 HKD
As of October 30, 2026
Save $4,528 USD (54%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $8,996 USD at NZ Jewellers · As of September 26, 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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 6542156690. Listed at 18 retailers as of October 30, 2026, with a 117% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.20
Carat
I
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6542156690
Dimensions6.72 × 6.77 × 4.24 mm
L/W Ratio1.01
Top View
6.72 mm6.77 mm1.20 ctI / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6542156690
Side View
Table 56.0%Crown 35.5°Girdle: THN-THNPavilion 40.8°Culet: NoneDepth 62.9%

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: $8,393 USD|Low: $3,866 USD|High: $8,670 USD|Avg: $5,434 USD|-3.1%
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
November 1, 2026
Retailer 6$3,866 USD
Retailer 16$4,596 USD
Retailer 10$4,728 USD
Retailer 3$4,832 USD
Retailer 11$4,864 USD
Retailer 15$4,870 USD
Retailer 9$4,957 USD
Retailer 7$4,963 USD
Retailer 2$5,286 USD
Retailer 5$5,368 USD
Retailer 8$5,379 USD
Retailer 14$5,791 USD
Retailer 4$6,026 USD
Retailer 13$6,478 USD
Retailer 12$7,499 USD
Retailer 1$8,393 USD

37 data points across 16 retailers

18 retailers$3,866 USD to $8,393 USD

A
Cheapest Retailer
-
$3,866 USD
HK$30,200 HKD
A
Retailer 2
-
$4,596 USD
View
A
Retailer 3
-
$4,728 USD
View
A
Retailer 4
-
$4,832 USD
View
B+
Retailer 5
-
$4,864 USD
View
Final sale: no returns
A
Retailer 6
-
$4,870 USD
SGD 6,581 SGD
View
A
Retailer 7
-
$4,957 USD
£3,904 GBP
View
A
Retailer 8
-
$4,963 USD
SGD 6,707 SGD
View
B+
Retailer 9
-
$5,286 USD
View
Retailer 10
-
$5,368 USD
A$8,258 AUD
View
Price last confirmed 22 days ago
Retailer 11
-
$5,379 USD
View
Price last confirmed 32 days ago
B+
Retailer 12
-
$5,791 USD
£4,560 GBP
View
B+
Retailer 13
-
$6,026 USD
€5,739 EUR
View
Retailer 14
-
$6,206 USD
View
Price last confirmed 32 days ago
B+
Retailer 15
-
$6,478 USD
ZAR 104,650 ZAR
View
B
Retailer 16
-
$7,499 USD
View
B
Retailer 17
-
$8,393 USD
£6,609 GBP
View
Most Expensive
NZ Jewellers
edb90cc5-13e8-490c-ba65-9b780c37de8c · Sep 26
$8,996 USD
View
Price last confirmed 35 days ago
17 more retailers have this diamond
Prices start from $3,866 USDSave up to $4,528 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
$3,866 USD