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Radiant|Lab Grown|IGI

3.75ct E VS1 Radiant Lab Grown Diamond

ID • E/VS1 • IGI LG816621157

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

Certificate IGI LG816621157

Diamond specifications and retailer prices

From $1,338 NZD
$754 USD
As of October 30, 2026
Save $10,106 NZD (88%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $11,444 NZD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 3.75ct lab-grown radiant diamond

This 3.75ct 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 LG816621157 or 816621157. Listed at 12 retailers as of October 29, 2026, with prices from $1,338 to $11,444, a $10,106 spread on the same certified stone. Do Amore Diamonds lists it at $11,444. 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

3.75
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.8°
Pavilion angle34.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816621157
Dimensions11.29 × 7.55 × 5.17 mm
L/W Ratio1.50
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.29 mm7.55 mm3.75 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816621157
Side View
Table 66.0%Crown 39.8°Girdle: MED-STKPavilion 34.9°Culet: NoneDepth 68.5%

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: $11,444 NZD|Low: $1,338 NZD|High: $11,870 NZD|Avg: $4,530 NZD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 8$1,338 NZD
Retailer 2$2,094 NZD
Retailer 4$2,511 NZD
Retailer 9$2,511 NZD
Retailer 10$2,670 NZD
Retailer 7$3,689 NZD
Retailer 5$3,862 NZD
Retailer 6$6,237 NZD
Retailer 3$6,451 NZD
Do Amore Diamonds$11,444 NZD

27 data points across 10 retailers

12 retailers$1,338 NZD to $11,444 NZD

A
Cheapest Retailer
-
$1,338 NZD
$754 USD
A
Retailer 2
-
$1,455 NZD
$820 USD
View
A
Retailer 3
-
$2,094 NZD
£929 GBP
View
A
Retailer 4
-
$2,511 NZD
$1,415 USD
View
A
Retailer 5
-
$2,511 NZD
$1,415 USD
View
A
Retailer 6
-
$2,670 NZD
$1,505 USD
View
B+
Retailer 7
-
$3,689 NZD
$2,079 USD
View
Retailer 8
-
$3,862 NZD
A$3,349 AUD
View
Price last confirmed 10 days ago
B+
Retailer 9
-
$4,814 NZD
$2,713 USD
View
B
Retailer 10
-
$6,237 NZD
$3,515 USD
View
B
Retailer 11
-
$6,451 NZD
£2,863 GBP
View
Most Expensive
B
Do Amore Diamonds
7-1786069 · Oct 29
$11,444 NZD
$6,450 USD
View
11 more retailers have this diamond
Prices start from $1,338 NZDSave up to $10,106 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
3.75ct Radiant
$1,338 NZD