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Oval|Lab Grown|IGI

3.70ct G VVS2 Oval Lab Grown Diamond

EX • G/VVS2 • IGI LG817698090

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG817698090

Diamond specifications and retailer prices

From $887 NZD
$500 USD
As of October 31, 2026
Save $5,216 NZD (85%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $6,778 NZD at Brilliant Earth · As of October 22, 2026
View at Brilliant Earth

About this 3.7ct lab-grown oval diamond

This 3.7ct lab-grown oval sits in the three to five carat band, graded G colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG817698090 or 817698090. Listed at 5 retailers as of October 28, 2026, with a 588% 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

3.70
Carat
G
Colour
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG817698090
Dimensions12.25 × 9.05 × 5.43 mm
L/W Ratio1.35
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.25 mm9.05 mm3.70 ctG / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG817698090
Side View
Table 61.0%Crown 35.3°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 60.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $6,778 NZD|Low: $877 NZD|High: $6,973 NZD|Avg: $3,044 NZD|-2.8%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 31, 2026
Retailer 3$887 NZD
Retailer 7$1,444 NZD
Retailer 2$1,700 NZD
Retailer 6$1,739 NZD
Retailer 5$2,443 NZD
Retailer 8$2,504 NZD
Retailer 9$3,101 NZD
Retailer 4$6,104 NZD
Brilliant Earth$6,778 NZD

39 data points across 9 retailers

5 retailers$887 NZD to $6,104 NZD

A
Cheapest Retailer
-
$887 NZD
$500 USD
Final sale: no returns
A
Retailer 2
-
$1,700 NZD
£754 GBP
View
Retailer 3
-
$2,443 NZD
$1,377 USD
View
Price last confirmed 45 days ago
B
Retailer 4
-
$6,104 NZD
$3,440 USD
View
Most Expensive
Brilliant Earth
21245372A · Oct 22
$6,778 NZD
$3,820 USD
View
Price last confirmed 8 days ago
4 more retailers have this diamond
Prices start from $887 NZDSave up to $5,216 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
3.70ct Oval
$887 NZD