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Radiant|Lab Grown|IGI

3.77ct E VS1 Radiant Lab Grown Diamond

EX • E/VS1 • IGI LG815616329

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

Certificate IGI LG815616329

Diamond specifications and retailer prices

From $1,565 NZD
$882 USD
As of October 31, 2026
Save $8,708 NZD (85%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $10,273 NZD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.77ct lab-grown radiant diamond

This 3.77ct lab-grown radiant 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 LG815616329 or 815616329. Listed at 7 retailers as of October 29, 2026, with prices from $1,565 to $10,273, a $8,708 spread on the same certified stone. Brilliant Earth lists it at $10,273. 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

3.77
Carat
E
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.8°
Pavilion angle36.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG815616329
Dimensions10.55 × 7.81 × 5.30 mm
L/W Ratio1.35
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.55 mm7.81 mm3.77 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG815616329
Side View
Table 67.0%Crown 45.8°Girdle: MediumPavilion 36.4°Culet: NoneDepth 67.9%

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 31
Current: $10,273 NZD|Low: $697 NZD|High: $10,273 NZD|Avg: $3,078 NZD|+3.8%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 31, 2026
Retailer 9$967 NZD
Retailer 7$1,565 NZD
Retailer 8$1,723 NZD
Retailer 4$1,769 NZD
Retailer 2$2,142 NZD
Retailer 5$2,518 NZD
Retailer 6$3,326 NZD
Retailer 10$3,530 NZD
Retailer 3$7,813 NZD
Brilliant Earth$10,273 NZD

15 data points across 10 retailers

7 retailers$1,565 NZD to $10,273 NZD

A
Cheapest Retailer
-
$1,565 NZD
$882 USD
B+
Retailer 2
-
$1,769 NZD
$997 USD
View
A
Retailer 3
-
$2,142 NZD
€1,150 EUR
View
A
Retailer 4
-
$2,518 NZD
$1,419 USD
View
B+
Retailer 5
-
$3,326 NZD
$1,874 USD
View
B
Retailer 6
-
$7,813 NZD
$4,403 USD
View
Most Expensive
B
Brilliant Earth
22171034A · Oct 29
$10,273 NZD
$5,790 USD
View
6 more retailers have this diamond
Prices start from $1,565 NZDSave up to $8,708 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
3.77ct Radiant
$1,565 NZD