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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 $1,771 NZD
As of November 6, 2026
Save $6,660 NZD (79%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $8,431 NZD 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 $1,771 to $8,431, a $6,660 spread on the same certified stone. Riddles Jewelry lists it at $8,431. 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: $2,998 NZD|Low: $1,667 NZD|High: $13,728 NZD|Avg: $4,583 NZD|+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$1,748 NZD
Retailer 8$1,771 NZD
Retailer 2$1,968 NZD
Retailer 13$1,975 NZD
Retailer 10$2,832 NZD
Retailer 12$2,893 NZD
Retailer 1$2,998 NZD
Retailer 4$3,323 NZD
Retailer 15$3,371 NZD
Retailer 3$4,824 NZD
Retailer 16$4,972 NZD
Retailer 6$5,174 NZD
Retailer 5$5,193 NZD
Retailer 11$5,846 NZD
Retailer 14$6,718 NZD
Retailer 7$7,048 NZD
Riddles Jewelry$8,431 NZD
Retailer 17$12,176 NZD

30 data points across 18 retailers

14 retailers$1,771 NZD to $8,431 NZD

Retailer 1
-
$1,748 NZD
Price last confirmed 25 days ago
A
Retailer 2
-
$1,771 NZD
View
Final sale: no returns
Retailer 3
-
$1,968 NZD
View
B+
Retailer 4
-
$2,832 NZD
View
B+
Retailer 5
-
$2,893 NZD
View
B+
Retailer 6
-
$2,998 NZD
View
Retailer 7
-
$3,371 NZD
View
Price last confirmed 14 days ago
Retailer 8
-
$4,824 NZD
View
Price last confirmed 13 days ago
B
Retailer 9
-
$5,174 NZD
View
B
Retailer 10
-
$5,193 NZD
View
B
Retailer 11
-
$5,846 NZD
View
Retailer 12
-
$6,718 NZD
View
Price last confirmed 12 days ago
Retailer 13
-
$7,048 NZD
View
Price last confirmed 11 days ago
Most Expensive
B
Riddles Jewelry
2000202345 · Nov 6
$8,431 NZD
$4,674 USD
View
13 more retailers have this diamond
Prices start from $1,771 NZDSave up to $6,660 NZD

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
$1,771 NZD