Heart|Natural|GIA

1.20ct G SI2 Heart Natural Diamond

EX • G/SI2 • GIA 3405774054

Certificate GIA 3405774054

Diamond specifications and retailer prices

From $2,780 USD
As of October 31, 2026
Save $3,526 USD (56%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $6,306 USD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.2ct natural heart diamond

This 1.2ct natural heart sits in the classic one-carat band, graded G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 3405774054. Listed at 25 retailers as of October 30, 2026, with prices from $2,780 to $6,306, a $3,526 spread on the same certified stone. NZ Jewellers lists it at $6,306. 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
G
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 3405774054
Dimensions6.20 × 7.30 × 4.51 mm
L/W Ratio1.18
Top View
6.20 mm7.30 mm1.20 ctG / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 3405774054
Side View
Table 61.0%CrownGirdle: MED-ETKPavilionCulet: NoneDepth 61.8%

Caratlytics Score

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

Price History

Last verified: Oct 31
Current: $6,306 USD|Low: $2,813 USD|High: $6,306 USD|Avg: $3,967 USD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 9$2,813 USD
Retailer 5$2,875 USD
Retailer 7$3,279 USD
Retailer 10$3,279 USD
Retailer 6$3,405 USD
Retailer 8$3,521 USD
Retailer 3$3,579 USD
Retailer 2$3,783 USD
Retailer 4$6,054 USD
NZ Jewellers$6,306 USD

46 data points across 10 retailers

25 retailers$2,780 USD to $6,306 USD

B+
Cheapest Retailer
-
$2,780 USD
B+
Retailer 2
-
$2,813 USD
View
B+
Retailer 3
-
$2,875 USD
View
Final sale: no returns
B+
Retailer 4
-
$2,900 USD
View
B+
Retailer 5
-
$2,912 USD
View
B+
Retailer 6
-
$3,019 USD
A$4,645 AUD
View
B
Retailer 7
-
$3,080 USD
View
B+
Retailer 8
-
$3,279 USD
View
B+
Retailer 9
-
$3,279 USD
View
B+
Retailer 10
-
$3,295 USD
View
B
Retailer 11
-
$3,353 USD
CA$4,656 CAD
View
B
Retailer 12
-
$3,405 USD
View
B
Retailer 13
-
$3,521 USD
View
B
Retailer 14
-
$3,564 USD
View
B+
Retailer 15
-
$3,579 USD
£2,818 GBP
View
B
Retailer 16
-
$3,720 USD
View
B
Retailer 17
-
$3,720 USD
View
B
Retailer 18
-
$3,783 USD
£2,979 GBP
View
B
Retailer 19
-
$3,784 USD
View
B
Retailer 20
-
$3,840 USD
View
Retailer 21
-
$4,101 USD
View
Price last confirmed 10 days ago
B
Retailer 22
-
$4,253 USD
View
B
Retailer 23
-
$5,227 USD
View
B
Retailer 24
-
$6,054 USD
£4,767 GBP
View
Most Expensive
B
NZ Jewellers
17851e43-8b72-421c-a01c-b4fbbf250948 · Oct 30
$6,306 USD
View
24 more retailers have this diamond
Prices start from $2,780 USDSave up to $3,526 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 Heart
$2,780 USD