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3.78ct G VS2 Round Lab Grown Diamond

ID • G/VS2 • IGI LG629408592

Shape and cutting style on the report: Round brilliant

Certificate IGI LG629408592

Diamond specifications and retailer prices

From $763 NZD
$430 USD
As of October 29, 2026
Save $2,617 NZD (77%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $3,380 NZD at The Diamond Guys · As of October 30, 2026
View at The Diamond Guys

About this 3.78ct lab-grown round diamond

This 3.78ct lab-grown round sits in the three to five carat band, graded G colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG629408592 or 629408592. Listed at 4 retailers as of October 29, 2026, with prices from $763 to $3,380, a $2,617 spread on the same certified stone. The Diamond Guys lists it at $3,380. 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
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG629408592
Dimensions10.06 × 10.02 × 6.11 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
10.06 mm10.02 mm3.78 ctG / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG629408592
Side View
Table 58.0%Crown 34.2°Girdle: MediumPavilion 40.8°Culet: NoneDepth 60.8%

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 29
Current: $763 NZD|Low: $568 NZD|High: $10,876 NZD|Avg: $2,951 NZD|-1.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
The Diamond Guys
October 27, 2026
Retailer 1$763 NZD
Retailer 17$869 NZD
Retailer 15$871 NZD
Retailer 10$884 NZD
Retailer 13$1,265 NZD
Retailer 14$1,354 NZD
Retailer 12$1,380 NZD
Retailer 11$1,421 NZD
Retailer 3$2,260 NZD
Retailer 16$2,319 NZD
Retailer 8$2,556 NZD
Retailer 2$2,902 NZD
The Diamond Guys$3,380 NZD
Retailer 4$3,607 NZD
Retailer 7$4,755 NZD
Retailer 9$5,323 NZD
Retailer 5$6,094 NZD
Retailer 6$10,876 NZD

10 data points across 18 retailers

4 retailers$763 NZD to $3,380 NZD

A
Cheapest Retailer
-
$763 NZD
$430 USD
Final sale: no returns
Retailer 2
-
$871 NZD
$491 USD
View
Price last confirmed 45 days ago
B+
Retailer 3
-
$2,556 NZD
CA$2,001 CAD
View
Most Expensive
B+
The Diamond Guys
1954434158 · Oct 30
$3,380 NZD
$1,905 USD
View
3 more retailers have this diamond
Prices start from $763 NZDSave up to $2,617 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 Round
$763 NZD