Heart|Lab Grown|GIA

3.37ct G SI1 Heart Lab Grown Diamond

EX • G/SI1 • GIA 2507966964

Certificate GIA 2507966964

Diamond specifications and retailer prices

From $1,739 NZD

$978 USD

As of November 1, 2026

Save $3,917 NZD (69%) vs most expensive(unlock to see where)

11 retailers carry this diamond

Most expensive: $5,656 NZD at The Diamond Guys · As of November 3, 2026

View at The Diamond Guys

About this 3.37ct lab-grown heart diamond

This 3.37ct 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 2507966964. Listed at 11 retailers as of November 1, 2026, with prices from $1,739 to $5,656, a $3,917 spread on the same certified stone. The Diamond Guys lists it at $5,656. 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

3.37

Carat

Colour

SI1

Clarity

Excellent

Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

OriginLab Grown

Grading LabGIA

CertificateGIA 2507966964

Dimensions9.29 × 10.57 × 5.81 mm

L/W Ratio1.14

View GIA Report →View Loupe360 Video →

Top View

OriginLab Grown

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateGIA 2507966964

Side View

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: Nov 1

Current: $4,400 NZD|Low: $633 NZD|High: $12,631 NZD|Avg: $3,297 NZD|+24.8%

Retailer 1

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Retailer 12

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Retailer 17

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Retailer 21

The Diamond Guys

October 27, 2026

Retailer 3$660 NZD

Retailer 5$740 NZD

Retailer 7$818 NZD

Retailer 8$818 NZD

Retailer 9$830 NZD

Retailer 20$1,046 NZD

Retailer 21$1,085 NZD

Retailer 2$1,348 NZD

Retailer 17$1,533 NZD

Retailer 15$1,739 NZD

Retailer 4$2,048 NZD

Retailer 18$2,199 NZD

Retailer 12$2,900 NZD

Retailer 6$2,902 NZD

Retailer 10$3,293 NZD

Retailer 16$3,565 NZD

Retailer 1$4,400 NZD

The Diamond Guys$5,656 NZD

Retailer 19$5,850 NZD

Retailer 13$7,450 NZD

Retailer 11$10,099 NZD

Retailer 14$12,631 NZD

22 data points across 22 retailers

11 retailers$1,739 NZD to $5,656 NZD

Retailer 1

$660 NZD

$371 USD

Price last confirmed 20 days ago

Retailer 2

$818 NZD

$460 USD

View

Price last confirmed 22 days ago

Retailer 3

$818 NZD

$460 USD

View

Price last confirmed 31 days ago

Retailer 4

$830 NZD

$467 USD

View

Price last confirmed 35 days ago

Retailer 5

$1,348 NZD

£597 GBP

View

Price last confirmed 20 days ago

B+

Retailer 6

$1,739 NZD

$978 USD

View

B+

Retailer 7

$2,900 NZD

$1,631 USD

View

Retailer 8

$2,902 NZD

$1,632 USD

View

Price last confirmed 29 days ago

Retailer 9

$3,565 NZD

£1,579 GBP

View

Price last confirmed 19 days ago

Retailer 10

$4,400 NZD

$2,475 USD

View

Price last confirmed 7 days ago

Most Expensive

The Diamond Guys

1993807588 · Nov 3

$5,656 NZD

$3,181 USD

View

10 more retailers have this diamond

Prices start from $1,739 NZDSave up to $3,917 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.

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3.37ct Heart

$1,739 NZD