CaratHunter
Plans
Oval|Lab Grown|IGI

3.78ct G VVS2 Oval Lab Grown Diamond

ID • G/VVS2 • IGI LG799602508

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG799602508

Diamond specifications and retailer prices

From $1,719 NZD
£763 GBP
As of October 30, 2026
Save $5,201 NZD (75%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $6,920 NZD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.78ct lab-grown oval diamond

This 3.78ct 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 LG799602508 or 799602508. Listed at 4 retailers as of October 29, 2026, with prices from $1,719 to $6,920, a $5,201 spread on the same certified stone. Brilliant Earth lists it at $6,920. 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

3.78
Carat
G
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799602508
Dimensions12.57 × 8.71 × 5.44 mm
L/W Ratio1.44
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.57 mm8.71 mm3.78 ctG / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG799602508
Side View
Table 57.0%Crown 35.9°Girdle: MED-THKPavilion 40.5°Culet: NoneDepth 62.5%

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: $6,920 NZD|Low: $1,460 NZD|High: $7,133 NZD|Avg: $3,287 NZD|-3.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 30, 2026
Retailer 6$1,460 NZD
Retailer 4$1,485 NZD
Retailer 2$1,719 NZD
Retailer 8$1,995 NZD
Retailer 7$2,601 NZD
Retailer 5$3,132 NZD
Retailer 9$3,953 NZD
Retailer 3$6,112 NZD
Brilliant Earth$6,920 NZD

36 data points across 9 retailers

4 retailers$1,719 NZD to $6,920 NZD

A
Cheapest Retailer
-
$1,719 NZD
£763 GBP
Retailer 2
-
$1,995 NZD
ZAR 18,166 ZAR
View
Price last confirmed 66 days ago
B
Retailer 3
-
$6,112 NZD
$3,445 USD
View
Most Expensive
B
Brilliant Earth
19467386A · Oct 29
$6,920 NZD
$3,900 USD
View
3 more retailers have this diamond
Prices start from $1,719 NZDSave up to $5,201 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
3.78ct Oval
$1,719 NZD