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Heart|Natural|GIA

1.33ct G SI2 Heart Natural Diamond

EX • G/SI2 • GIA 6137869189

Certificate GIA 6137869189

Diamond specifications and retailer prices

From $4,376 AUD
$3,067 USD
As of November 2, 2026
Save $2,219 AUD (34%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $6,595 AUD at 77 Diamonds · As of November 2, 2026
View at 77 Diamonds

About this 1.33ct natural heart diamond

This 1.33ct natural heart sits in the one-and-a-quarter to one-and-a-half 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 6137869189. Listed at 3 retailers as of November 2, 2026, with prices from $4,376 to $6,595, a $2,219 spread on the same certified stone. 77 Diamonds lists it at $6,595. 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

1.33
Carat
G
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishGood
SymmetryGood
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 6137869189
Dimensions6.42 × 7.38 × 4.71 mm
L/W Ratio1.15
Top View
6.42 mm7.38 mm1.33 ctG / SI2
OriginNatural
CutExcellent
PolishGood
SymmetryGood
FluorescenceMedium
CertificateGIA 6137869189
Side View
Table 61.0%CrownGirdle: THK-ETKPavilionCulet: Very SmallDepth 63.8%

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: Nov 2
Current: $6,595 AUD|Low: $4,329 AUD|High: $6,619 AUD|Avg: $5,120 AUD|+2.1%
77 Diamonds
Retailer 2
Retailer 3
November 2, 2026
Retailer 3$4,376 AUD
Retailer 2$4,418 AUD
77 Diamonds$6,595 AUD

41 data points across 3 retailers

3 retailers$4,376 AUD to $6,595 AUD

B+
Cheapest Retailer
-
$4,376 AUD
$3,067 USD
B+
Retailer 2
-
$4,722 AUD
$3,309 USD
View
Most Expensive
B
77 Diamonds
HSMBSTFWEDWM · Nov 2
$6,595 AUD
£3,639 GBP
View
2 more retailers have this diamond
Prices start from $4,376 AUDSave up to $2,219 AUD

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+
1.33ct Heart
$4,376 AUD