Round|Lab Grown|IGI

5.21ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG770633937

Shape and cutting style on the report: Round brilliant

Certificate IGI LG770633937

Diamond specifications and retailer prices

From $5,880 USD

As of November 1, 2026

Save $38,161 USD (87%) vs most expensive(unlock to see where)

27 retailers carry this diamond

Most expensive: $44,041 USD at Mervis Diamond Importers · As of November 2, 2026

View at Mervis Diamond Importers

About this 5.21ct lab-grown round diamond

This 5.21ct lab-grown round sits in the over five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG770633937 or 770633937. Listed at 27 retailers as of November 1, 2026, with prices from $5,880 to $44,041, a $38,161 spread on the same certified stone. Mervis Diamond Importers lists it at $44,041. 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

5.21

Carat

Color

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle34.4°

Pavilion angle40.7°

OriginLab Grown

Grading LabIGI

CertificateIGI LG770633937

Dimensions11.12 × 11.16 × 6.85 mm

L/W Ratio1.00

Girdle conditionFaceted

Culet sizePointed

Cert comments

HEARTS & ARROWS As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II

View IGI Report →View Loupe360 Video →

Top View

OriginLab Grown

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG770633937

Side View

Caratlytics Score

How it works →

A+

Exceptional

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 1

Current: $44,041 USD|Low: $5,880 USD|High: $44,041 USD|Avg: $14,461 USD

Mervis Diamond Importers

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November 3, 2026

Retailer 6$5,880 USD

Retailer 3$6,162 USD

Retailer 15$6,330 USD

Retailer 16$6,584 USD

Retailer 17$6,820 USD

Retailer 18$6,820 USD

Retailer 5$7,796 USD

Retailer 25$7,800 USD

Retailer 4$8,252 USD

Retailer 10$8,745 USD

Retailer 8$8,937 USD

Retailer 2$9,411 USD

Retailer 7$9,879 USD

Retailer 22$11,871 USD

Retailer 20$15,051 USD

Retailer 21$15,295 USD

Retailer 19$15,750 USD

Retailer 9$18,772 USD

Retailer 12$20,009 USD

Retailer 14$25,959 USD

Retailer 13$28,390 USD

Retailer 23$36,310 USD

Retailer 24$36,310 USD

Retailer 11$40,450 USD

Mervis Diamond Importers$44,041 USD

38 data points across 25 retailers

27 retailers$5,880 USD to $44,041 USD

A+

Cheapest Retailer

$5,880 USD

Retailer 2

$6,162 USD

View

Retailer 3

$6,330 USD

View

Retailer 4

$6,584 USD

View

Final sale: no returns

Retailer 5

$6,820 USD

View

Retailer 6

$6,820 USD

View

Price last confirmed 17 days ago

Retailer 7

$7,796 USD

View

Retailer 8

$7,800 USD

View

Retailer 9

$8,252 USD

View

Retailer 10

$8,745 USD

View

Price last confirmed 16 days ago

Retailer 11

$8,937 USD

View

Retailer 12

$9,411 USD

£7,410 GBP

View

Retailer 13

$9,879 USD

View

Retailer 14

$11,871 USD

€11,306 EUR

View

Retailer 15

$13,710 USD

View

Retailer 16

$15,051 USD

£11,851 GBP

View

Retailer 17

$15,295 USD

ZAR 247,095 ZAR

View

B+

Retailer 18

$15,750 USD

A$24,231 AUD

View

B+

Retailer 19

$17,345 USD

View

B+

Retailer 20

$18,772 USD

View

B+

Retailer 21

$20,009 USD

View

B+

Retailer 22

$25,959 USD

View

B+

Retailer 23

$28,390 USD

View

Retailer 24

$36,310 USD

View

Retailer 25

$36,310 USD

View

Retailer 26

$40,450 USD

View

Most Expensive

Mervis Diamond Importers

1974990675 · Nov 2

$44,041 USD

View

26 more retailers have this diamond

Prices start from $5,880 USDSave up to $38,161 USD

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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A+

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