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Marquise|Lab Grown|IGI

5.21ct E VS1 Marquise Lab Grown Diamond

VG • E/VS1 • IGI LG818688971

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG818688971

Diamond specifications and retailer prices

From $1,725 NZD
$972 USD
As of October 30, 2026
Save $9,205 NZD (84%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $10,930 NZD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 5.21ct lab-grown marquise diamond

This 5.21ct lab-grown marquise sits in the over five carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG818688971 or 818688971. Listed at 24 retailers as of October 30, 2026, with prices from $1,725 to $10,930, a $9,205 spread on the same certified stone. Brilliant Earth lists it at $10,930. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

5.21
Carat
E
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle38.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818688971
Dimensions19.95 × 8.70 × 5.05 mm
L/W Ratio2.29
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
19.95 mm8.70 mm5.21 ctE / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818688971
Side View
Table 63.0%Crown 34.8°Girdle: MED-THKPavilion 38.3°Culet: NoneDepth 58.0%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $10,930 NZD|Low: $1,725 NZD|High: $21,043 NZD|Avg: $4,794 NZD|-48.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
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Retailer 22
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Retailer 24
October 31, 2026
Retailer 5$1,725 NZD
Retailer 4$1,875 NZD
Retailer 16$1,930 NZD
Retailer 7$2,000 NZD
Retailer 10$2,000 NZD
Retailer 18$2,172 NZD
Retailer 23$2,307 NZD
Retailer 3$2,317 NZD
Retailer 11$2,628 NZD
Retailer 21$2,860 NZD
Retailer 13$3,084 NZD
Retailer 19$3,193 NZD
Retailer 12$3,749 NZD
Retailer 24$3,944 NZD
Retailer 2$4,053 NZD
Retailer 20$4,063 NZD
Retailer 9$4,448 NZD
Retailer 14$5,516 NZD
Retailer 6$6,185 NZD
Retailer 8$6,201 NZD
Retailer 22$6,792 NZD
Retailer 15$6,965 NZD
Retailer 17$9,989 NZD
Brilliant Earth$10,930 NZD

29 data points across 24 retailers

24 retailers$1,725 NZD to $10,930 NZD

A
Cheapest Retailer
-
$1,725 NZD
$972 USD
A
Retailer 2
-
$1,875 NZD
$1,057 USD
View
A
Retailer 3
-
$1,930 NZD
$1,088 USD
View
Final sale: no returns
Retailer 4
-
$2,000 NZD
$1,127 USD
View
Price last confirmed 14 days ago
A
Retailer 5
-
$2,000 NZD
$1,127 USD
View
A
Retailer 6
-
$2,172 NZD
£964 GBP
View
A
Retailer 7
-
$2,307 NZD
$1,300 USD
View
A
Retailer 8
-
$2,317 NZD
HK$10,200 HKD
View
A
Retailer 9
-
$2,628 NZD
$1,481 USD
View
A
Retailer 10
-
$2,860 NZD
$1,612 USD
View
A
Retailer 11
-
$3,084 NZD
£1,369 GBP
View
A
Retailer 12
-
$3,193 NZD
€1,714 EUR
View
B+
Retailer 13
-
$3,749 NZD
$2,113 USD
View
B+
Retailer 14
-
$3,944 NZD
$2,223 USD
View
B+
Retailer 15
-
$4,053 NZD
A$3,514 AUD
View
B+
Retailer 16
-
$4,063 NZD
ZAR 36,994 ZAR
View
B+
Retailer 17
-
$4,448 NZD
$2,507 USD
View
B+
Retailer 18
-
$5,516 NZD
£2,448 GBP
View
B
Retailer 19
-
$6,185 NZD
$3,486 USD
View
B
Retailer 20
-
$6,201 NZD
$3,495 USD
View
B
Retailer 21
-
$6,792 NZD
£3,014 GBP
View
B
Retailer 22
-
$6,965 NZD
$3,926 USD
View
Retailer 23
-
$9,989 NZD
$5,630 USD
View
Price last confirmed 23 days ago
Most Expensive
B
Brilliant Earth
20974196A · Oct 30
$10,930 NZD
$6,160 USD
View
23 more retailers have this diamond
Prices start from $1,725 NZDSave up to $9,205 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.

A
5.21ct Marquise
$1,725 NZD