Heart|Lab Grown|IGI

12.31ct G VS1 Heart Lab Grown Diamond

ID • G/VS1 • IGI LG720520483

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG720520483

Diamond specifications and retailer prices

From $5,493 SGD

$4,295 USD

As of November 2, 2026

Save $21,787 SGD (80%) vs most expensive(unlock to see where)

18 retailers carry this diamond

Most expensive: $27,280 SGD at With Clarity · As of November 2, 2026

View at With Clarity

About this 12.31ct lab-grown heart diamond

This 12.31ct lab-grown heart sits in the over five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG720520483 or 720520483. Listed at 18 retailers as of November 2, 2026, with prices from $5,493 to $27,280, a $21,787 spread on the same certified stone. With Clarity lists it at $27,280. 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

12.31

Carat

Colour

VS1

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle36°

Pavilion angle37.1°

OriginLab Grown

Grading LabIGI

CertificateIGI LG720520483

Dimensions14.26 × 15.98 × 8.97 mm

L/W Ratio1.12

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

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG720520483

Side View

Caratlytics Score

How it works →

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 2

Current: $6,769 SGD|Low: $4,545 SGD|High: $27,280 SGD|Avg: $8,680 SGD|-3.1%

Retailer 1

Retailer 2

Retailer 3

Retailer 4

Retailer 5

Retailer 6

Retailer 7

Retailer 8

Retailer 9

Retailer 10

Retailer 11

Retailer 12

With Clarity

November 2, 2026

Retailer 10$4,734 SGD

Retailer 3$5,492 SGD

Retailer 8$5,493 SGD

Retailer 4$5,749 SGD

Retailer 7$5,888 SGD

Retailer 1$6,769 SGD

Retailer 5$7,181 SGD

Retailer 11$7,936 SGD

Retailer 9$8,499 SGD

Retailer 6$10,290 SGD

Retailer 2$13,201 SGD

Retailer 12$17,841 SGD

With Clarity$27,280 SGD

36 data points across 13 retailers

18 retailers$5,493 SGD to $27,280 SGD

Retailer 1

$5,150 SGD

$4,027 USD

Price last confirmed 35 days ago

Retailer 2

$5,492 SGD

$4,294 USD

View

Price last confirmed 30 days ago

Retailer 3

$5,493 SGD

$4,295 USD

View

Retailer 4

$5,749 SGD

$4,495 USD

View

Retailer 5

$5,888 SGD

$4,604 USD

View

Final sale: no returns

Retailer 6

$6,769 SGD

$5,293 USD

View

Retailer 7

$6,863 SGD

$5,366 USD

View

Price last confirmed 33 days ago

Retailer 8

$7,181 SGD

£4,421 GBP

View

Retailer 9

$7,936 SGD

$6,205 USD

View

B+

Retailer 10

$8,499 SGD

ZAR 107,363 ZAR

View

B+

Retailer 11

$10,290 SGD

A$12,378 AUD

View

B+

Retailer 12

$11,976 SGD

$9,364 USD

View

Retailer 13

$13,201 SGD

$10,322 USD

View

Retailer 14

$13,824 SGD

$10,809 USD

View

Retailer 15

$15,245 SGD

$11,921 USD

View

Retailer 16

$17,841 SGD

$13,950 USD

View

Retailer 17

$19,391 SGD

$15,163 USD

View

Most Expensive

With Clarity

720520483 · Nov 2

$27,280 SGD

$21,331 USD

View

17 more retailers have this diamond

Prices start from $5,493 SGDSave up to $21,787 SGD

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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12.31ct Heart

$5,493 SGD