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Heart|Lab Grown|IGI

3.11ct E VS1 Heart Lab Grown Diamond

ID • E/VS1 • IGI LG850692420

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG850692420

Diamond specifications and retailer prices

From $875 NZD
$493 USD
As of October 30, 2026
Save $10,108 NZD (92%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $10,983 NZD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 3.11ct lab-grown heart diamond

This 3.11ct lab-grown heart sits in the three to five carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG850692420 or 850692420. Listed at 12 retailers as of October 30, 2026, with prices from $875 to $10,983, a $10,108 spread on the same certified stone. Brilliant Earth lists it at $10,983. 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
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.1°
Pavilion angle38.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG850692420
Dimensions9.16 × 10.32 × 5.67 mm
L/W Ratio1.13
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.16 mm10.32 mm3.11 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG850692420
Side View
Table 59.0%Crown 33.1°Girdle: STK-THKPavilion 38.7°Culet: NoneDepth 54.9%

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 30
Current: $10,983 NZD|Low: $875 NZD|High: $10,983 NZD|Avg: $2,932 NZD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 11$875 NZD
Retailer 4$1,181 NZD
Retailer 5$1,237 NZD
Retailer 7$1,331 NZD
Retailer 10$1,611 NZD
Retailer 12$1,687 NZD
Retailer 9$2,427 NZD
Retailer 6$2,851 NZD
Retailer 3$3,436 NZD
Retailer 8$3,550 NZD
Retailer 2$4,525 NZD
Brilliant Earth$10,983 NZD

3 data points across 12 retailers

12 retailers$875 NZD to $10,983 NZD

A
Cheapest Retailer
-
$875 NZD
$493 USD
A
Retailer 2
-
$1,181 NZD
HK$5,200 HKD
View
A
Retailer 3
-
$1,237 NZD
£549 GBP
View
A
Retailer 4
-
$1,331 NZD
$750 USD
View
A
Retailer 5
-
$1,611 NZD
$908 USD
View
A
Retailer 6
-
$1,687 NZD
$951 USD
View
B+
Retailer 7
-
$2,427 NZD
$1,368 USD
View
B+
Retailer 8
-
$2,851 NZD
$1,607 USD
View
B+
Retailer 9
-
$3,436 NZD
SGD 2,617 SGD
View
B+
Retailer 10
-
$3,550 NZD
$2,001 USD
View
B
Retailer 11
-
$4,525 NZD
£2,008 GBP
View
Most Expensive
B
Brilliant Earth
22364902A · Oct 31
$10,983 NZD
$6,190 USD
View
11 more retailers have this diamond
Prices start from $875 NZDSave up to $10,108 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 Heart
$875 NZD