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Round|Lab Grown|IGI

3.65ct G VS1 Round Lab Grown Diamond

ID • G/VS1 • IGI LG619438630

Shape and cutting style on the report: Round brilliant

Certificate IGI LG619438630

Diamond specifications and retailer prices

From $1,090 NZD
HK$4,800 HKD
As of October 30, 2026
Save $2,583 NZD (70%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $4,475 NZD at Rare Carat · As of September 9, 2026
View at Rare Carat

About this 3.65ct lab-grown round diamond

This 3.65ct lab-grown round sits in the three to five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG619438630 or 619438630. Listed at 10 retailers as of October 29, 2026, with a 237% 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

3.65
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG619438630
Dimensions9.88 × 9.83 × 6.03 mm
L/W Ratio1.01
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
9.88 mm9.83 mm3.65 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG619438630
Side View
Table 58.0%Crown 34.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 61.2%

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: $1,641 NZD|Low: $1,352 NZD|High: $3,698 NZD|Avg: $2,112 NZD|+4.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 31, 2026
Retailer 4$1,509 NZD
Retailer 2$1,560 NZD
Retailer 6$1,567 NZD
Retailer 1$1,641 NZD
Retailer 5$3,158 NZD
Retailer 3$3,673 NZD

42 data points across 6 retailers

10 retailers$1,090 NZD to $3,673 NZD

A
Cheapest Retailer
-
$1,090 NZD
HK$4,800 HKD
A
Retailer 2
-
$1,509 NZD
€810 EUR
View
B+
Retailer 3
-
$1,560 NZD
$879 USD
View
A
Retailer 4
-
$1,567 NZD
$883 USD
View
A
Retailer 5
-
$1,641 NZD
£728 GBP
View
B+
Retailer 6
-
$2,205 NZD
$1,243 USD
View
B+
Retailer 7
-
$3,158 NZD
SGD 2,405 SGD
View
B+
Retailer 8
-
$3,253 NZD
$1,833 USD
View
B+
Retailer 9
-
$3,673 NZD
£1,630 GBP
View
Most Expensive
Rare Carat
MA-10601_l_619438630 · Sep 9
$4,475 NZD
$2,522 USD
View
Price last confirmed 52 days ago
9 more retailers have this diamond
Prices start from $1,090 NZDSave up to $2,583 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
3.65ct Round
$1,090 NZD