Heart|Lab Grown|GIA

3.07ct G SI1 Heart Lab Grown Diamond

EX • G/SI1 • GIA 6452213825

Shape and cutting style on the report: Cushion modified brilliant

Certificate GIA 6452213825

Diamond specifications and retailer prices

From $1,429 AUD
As of November 6, 2026
Save $5,373 AUD (79%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $6,803 AUD at Riddles Jewelry · As of November 6, 2026
View at Riddles Jewelry

About this 3.07ct lab-grown heart diamond

This 3.07ct lab-grown heart sits in the three to five carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6452213825. Listed at 14 retailers as of November 6, 2026, with prices from $1,429 to $6,803, a $5,373 spread on the same certified stone. Riddles Jewelry lists it at $6,803. 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

3.07
Carat
G
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabGIA
CertificateGIA 6452213825
Dimensions8.70 × 8.50 × 5.52 mm
L/W Ratio1.02
Top View
8.70 mm8.50 mm3.07 ctG / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6452213825
Side View
Table 62.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 65.0%

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: Nov 6
Current: $2,419 AUD|Low: $1,345 AUD|High: $11,076 AUD|Avg: $3,698 AUD|+5.0%
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
Riddles Jewelry
November 6, 2026
Retailer 9$1,410 AUD
Retailer 8$1,429 AUD
Retailer 2$1,588 AUD
Retailer 13$1,594 AUD
Retailer 10$2,285 AUD
Retailer 12$2,334 AUD
Retailer 1$2,419 AUD
Retailer 4$2,681 AUD
Retailer 15$2,720 AUD
Retailer 3$3,892 AUD
Retailer 16$4,011 AUD
Retailer 6$4,174 AUD
Retailer 5$4,190 AUD
Retailer 11$4,717 AUD
Retailer 14$5,420 AUD
Retailer 7$5,686 AUD
Riddles Jewelry$6,803 AUD
Retailer 17$9,824 AUD

30 data points across 18 retailers

14 retailers$1,429 AUD to $6,803 AUD

Retailer 1
-
$1,410 AUD
Price last confirmed 25 days ago
A
Retailer 2
-
$1,429 AUD
View
Final sale: no returns
Retailer 3
-
$1,588 AUD
View
B+
Retailer 4
-
$2,285 AUD
View
B+
Retailer 5
-
$2,334 AUD
View
B+
Retailer 6
-
$2,419 AUD
View
Retailer 7
-
$2,720 AUD
View
Price last confirmed 14 days ago
Retailer 8
-
$3,892 AUD
View
Price last confirmed 13 days ago
B
Retailer 9
-
$4,174 AUD
View
B
Retailer 10
-
$4,190 AUD
View
B
Retailer 11
-
$4,717 AUD
View
Retailer 12
-
$5,420 AUD
View
Price last confirmed 12 days ago
Retailer 13
-
$5,686 AUD
View
Price last confirmed 11 days ago
Most Expensive
B
Riddles Jewelry
2000202345 · Nov 6
$6,803 AUD
$4,674 USD
View
13 more retailers have this diamond
Prices start from $1,429 AUDSave up to $5,373 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.

A
3.07ct Heart
$1,429 AUD