Heart|Lab Grown|IGI

5.10ct D VS1 Heart Lab Grown Diamond

EX • D/VS1 • IGI LG770640066

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG770640066

Diamond specifications and retailer prices

From $3,627 NZD

$2,044 USD

As of October 31, 2026

Save $13,442 NZD (79%) vs most expensive(unlock to see where)

7 retailers carry this diamond

Most expensive: $21,877 NZD at Brilliant Earth · As of September 29, 2026

View at Brilliant Earth

About this 5.1ct lab-grown heart diamond

This 5.1ct lab-grown heart sits in the over five carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG770640066 or 770640066. Listed at 7 retailers as of October 31, 2026, with a 371% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

5.10

Carat

Colour

VS1

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle34.6°

Pavilion angle40.1°

OriginLab Grown

Grading LabIGI

CertificateIGI LG770640066

Dimensions10.64 × 11.82 × 6.86 mm

L/W Ratio1.11

Girdle conditionFaceted

Culet sizePointed

Cert comments

This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa

View IGI Report →View Loupe360 Video →

Top View

OriginLab Grown

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG770640066

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: Oct 31

Current: $21,877 NZD|Low: $1,867 NZD|High: $21,877 NZD|Avg: $6,904 NZD

Brilliant Earth

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

October 8, 2026

Retailer 11$1,867 NZD

Retailer 14$1,962 NZD

Retailer 13$1,989 NZD

Retailer 16$2,743 NZD

Retailer 6$3,137 NZD

Retailer 10$3,278 NZD

Retailer 7$3,363 NZD

Retailer 9$3,627 NZD

Retailer 4$4,358 NZD

Retailer 2$5,990 NZD

Retailer 3$6,542 NZD

Retailer 12$7,540 NZD

Retailer 15$7,730 NZD

Retailer 5$7,811 NZD

Retailer 8$17,069 NZD

Brilliant Earth$21,877 NZD

13 data points across 16 retailers

7 retailers$3,627 NZD to $17,069 NZD

Retailer 1

$1,867 NZD

$1,052 USD

Price last confirmed 33 days ago

Retailer 2

$1,962 NZD

$1,106 USD

View

Price last confirmed 35 days ago

B+

Retailer 3

$3,627 NZD

$2,044 USD

View

Retailer 4

$4,358 NZD

ZAR 39,683 ZAR

View

Price last confirmed 41 days ago

Retailer 5

$5,990 NZD

CA$4,689 CAD

View

Retailer 6

$17,069 NZD

$9,620 USD

View

Most Expensive

Brilliant Earth

21070322Y · Sep 29

$21,877 NZD

$12,330 USD

View

Price under review

6 more retailers have this diamond

Prices start from $3,627 NZDSave up to $13,442 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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B+

5.10ct Heart

$3,627 NZD