Radiant|Lab Grown|IGI

5.51ct D VS1 Radiant Lab Grown Diamond

ID • D/VS1 • IGI LG787645258

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG787645258

Diamond specifications and retailer prices

From $1,575 SGD

$1,232 USD

As of October 29, 2026

Save $11,426 SGD (88%) vs most expensive(unlock to see where)

26 retailers carry this diamond

Most expensive: $13,001 SGD at Brilliant Earth · As of October 29, 2026

View at Brilliant Earth

About this 5.51ct lab-grown radiant diamond

This 5.51ct lab-grown radiant 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 LG787645258 or 787645258. Listed at 26 retailers as of October 29, 2026, with prices from $1,575 to $13,001, a $11,426 spread on the same certified stone. Brilliant Earth lists it at $13,001. 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

5.51

Carat

Colour

VS1

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle42.8°

Pavilion angle32.4°

OriginLab Grown

Grading LabIGI

CertificateIGI LG787645258

Dimensions12.49 × 8.85 × 5.66 mm

L/W Ratio1.41

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 LG787645258

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: Oct 29

Current: $13,001 SGD|Low: $1,575 SGD|High: $14,842 SGD|Avg: $4,108 SGD|-12.4%

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

Retailer 17

Retailer 18

Retailer 19

October 31, 2026

Retailer 17$1,575 SGD

Retailer 5$1,633 SGD

Retailer 11$1,694 SGD

Retailer 12$1,777 SGD

Retailer 4$2,086 SGD

Retailer 14$2,337 SGD

Retailer 2$2,346 SGD

Retailer 15$2,721 SGD

Retailer 16$3,306 SGD

Retailer 3$3,311 SGD

Retailer 13$3,317 SGD

Retailer 6$3,870 SGD

Retailer 7$4,501 SGD

Retailer 9$4,959 SGD

Retailer 18$5,273 SGD

Retailer 8$5,355 SGD

Retailer 10$5,707 SGD

Retailer 19$7,102 SGD

Brilliant Earth$13,001 SGD

38 data points across 19 retailers

26 retailers$1,575 SGD to $13,001 SGD

Retailer 1

$1,408 SGD

$1,101 USD

Price last confirmed 12 days ago

Retailer 2

$1,460 SGD

$1,142 USD

View

Price last confirmed 31 days ago

Retailer 3

$1,575 SGD

$1,232 USD

View

Final sale: no returns

Retailer 4

$1,589 SGD

$1,243 USD

View

Price last confirmed 33 days ago

Retailer 5

$1,633 SGD

$1,277 USD

View

Price last confirmed 14 days ago

Retailer 6

$1,633 SGD

$1,277 USD

View

Price last confirmed 11 days ago

Retailer 7

$1,671 SGD

$1,307 USD

View

Price last confirmed 33 days ago

Retailer 8

$1,777 SGD

$1,390 USD

View

Retailer 9

$2,086 SGD

$1,632 USD

View

Retailer 10

$2,337 SGD

$1,828 USD

View

Retailer 11

$2,346 SGD

£1,445 GBP

View

Retailer 12

$2,721 SGD

€2,027 EUR

View

Price last confirmed 8 days ago

Retailer 13

$3,176 SGD

$2,484 USD

View

Price last confirmed 30 days ago

Retailer 14

$3,306 SGD

A$3,978 AUD

View

Price last confirmed 9 days ago

B+

Retailer 15

$3,311 SGD

$2,590 USD

View

B+

Retailer 16

$3,317 SGD

ZAR 41,913 ZAR

View

B+

Retailer 17

$3,870 SGD

$3,027 USD

View

B+

Retailer 18

$4,501 SGD

£2,772 GBP

View

B+

Retailer 19

$4,726 SGD

$3,697 USD

View

Retailer 20

$4,959 SGD

$3,879 USD

View

B+

Retailer 21

$5,273 SGD

£3,248 GBP

View

Retailer 22

$5,355 SGD

$4,189 USD

View

Retailer 23

$5,707 SGD

$4,464 USD

View

Retailer 24

$7,102 SGD

$5,555 USD

View

Price last confirmed 12 days ago

Retailer 25

$11,982 SGD

£7,380 GBP

View

Price last confirmed 21 days ago

Most Expensive

Brilliant Earth

18736050A · Oct 29

$13,001 SGD

$10,170 USD

View

25 more retailers have this diamond

Prices start from $1,575 SGDSave up to $11,426 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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