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Oval|Lab Grown|IGI

3.97ct E VS1 Oval Lab Grown Diamond

EX • E/VS1 • IGI LG807675463

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG807675463

Diamond specifications and retailer prices

From $1,004 NZD
$566 USD
As of October 29, 2026
Save $5,596 NZD (85%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $8,942 NZD at Brilliant Earth · As of October 17, 2026
View at Brilliant Earth

About this 3.97ct lab-grown oval diamond

This 3.97ct lab-grown oval 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 LG807675463 or 807675463. Listed at 6 retailers as of October 28, 2026, with a 557% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

3.97
Carat
E
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG807675463
Dimensions13.15 × 9.10 × 13.15 mm
L/W Ratio1.45
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.15 mm9.10 mm3.97 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG807675463
Side View
Table 60.0%Crown 34.8°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 59.8%

Caratlytics Score

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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: $8,942 NZD|Low: $696 NZD|High: $9,226 NZD|Avg: $3,400 NZD|-3.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 30, 2026
Retailer 13$696 NZD
Retailer 6$1,004 NZD
Retailer 12$1,375 NZD
Retailer 2$1,797 NZD
Retailer 8$1,799 NZD
Retailer 10$2,850 NZD
Retailer 11$3,218 NZD
Retailer 9$3,463 NZD
Retailer 3$3,872 NZD
Retailer 4$4,054 NZD
Retailer 5$4,253 NZD
Retailer 7$6,600 NZD
Brilliant Earth$8,942 NZD

33 data points across 13 retailers

6 retailers$1,004 NZD to $6,600 NZD

A
Cheapest Retailer
-
$1,004 NZD
$566 USD
Final sale: no returns
A
Retailer 2
-
$1,797 NZD
£798 GBP
View
Retailer 3
-
$2,850 NZD
$1,606 USD
View
Price last confirmed 45 days ago
Retailer 4
-
$5,151 NZD
A$4,466 AUD
View
Price last confirmed 119 days ago
B
Retailer 5
-
$6,600 NZD
$3,720 USD
View
Most Expensive
Brilliant Earth
20433414A · Oct 17
$8,942 NZD
$5,040 USD
View
Price last confirmed 13 days ago
5 more retailers have this diamond
Prices start from $1,004 NZDSave up to $5,596 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
3.97ct Oval
$1,004 NZD