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Radiant|Lab Grown|IGI

3.11ct E VVS1 Radiant Lab Grown Diamond

EX • E/VVS1 • IGI LG821651359

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

Certificate IGI LG821651359

Diamond specifications and retailer prices

From $1,623 NZD
$915 USD
As of October 29, 2026
Save $8,897 NZD (85%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $10,521 NZD at Frank Darling · As of October 29, 2026
View at Frank Darling

About this 3.11ct lab-grown radiant diamond

This 3.11ct lab-grown radiant sits in the three to five carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG821651359 or 821651359. Listed at 9 retailers as of October 29, 2026, with prices from $1,623 to $10,521, a $8,897 spread on the same certified stone. Frank Darling lists it at $10,521. 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

3.11
Carat
E
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.7°
Pavilion angle34.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG821651359
Dimensions10.93 × 6.93 × 4.55 mm
L/W Ratio1.58
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.93 mm6.93 mm3.11 ctE / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG821651359
Side View
Table 66.0%Crown 39.7°Girdle: Slightly ThickPavilion 34.5°Culet: NoneDepth 65.7%

Caratlytics Score

How it works →
A
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: $10,521 NZD|Low: $823 NZD|High: $10,521 NZD|Avg: $3,554 NZD
Frank Darling
Retailer 2
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Retailer 20
October 31, 2026
Retailer 8$1,144 NZD
Retailer 14$1,623 NZD
Retailer 19$1,844 NZD
Retailer 16$1,856 NZD
Retailer 6$1,960 NZD
Retailer 11$2,705 NZD
Retailer 2$3,272 NZD
Retailer 20$3,318 NZD
Retailer 13$3,353 NZD
Retailer 17$3,496 NZD
Retailer 12$3,705 NZD
Retailer 5$4,093 NZD
Retailer 10$4,113 NZD
Retailer 9$4,532 NZD
Retailer 3$4,995 NZD
Retailer 4$5,100 NZD
Retailer 7$5,514 NZD
Retailer 18$6,458 NZD
Retailer 15$10,043 NZD
Frank Darling$10,521 NZD

22 data points across 20 retailers

9 retailers$1,623 NZD to $10,521 NZD

A
Cheapest Retailer
-
$1,623 NZD
$915 USD
A
Retailer 2
-
$1,856 NZD
$1,046 USD
View
B+
Retailer 3
-
$3,272 NZD
A$2,837 AUD
View
B+
Retailer 4
-
$3,353 NZD
$1,890 USD
View
B+
Retailer 5
-
$3,496 NZD
$1,971 USD
View
Retailer 6
-
$5,100 NZD
A$4,422 AUD
View
Price last confirmed 32 days ago
Retailer 7
-
$6,458 NZD
$3,640 USD
View
Price last confirmed 25 days ago
B
Retailer 8
-
$10,043 NZD
$5,660 USD
View
Most Expensive
B
Frank Darling
934535BD · Oct 29
$10,521 NZD
$5,929 USD
View
8 more retailers have this diamond
Prices start from $1,623 NZDSave up to $8,897 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
3.11ct Radiant
$1,623 NZD