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Round|Lab Grown|IGI

3.90ct F VS2 Round Lab Grown Diamond

EX • F/VS2 • IGI LG837653639

Shape and cutting style on the report: Round brilliant

Certificate IGI LG837653639

Diamond specifications and retailer prices

From $930 NZD
$524 USD
As of November 1, 2026
Save $6,600 NZD (88%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $7,530 NZD at Helzberg Diamonds · As of November 1, 2026
View at Helzberg Diamonds

About this 3.9ct lab-grown round diamond

This 3.9ct lab-grown round sits in the three to five carat band, graded F colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG837653639 or 837653639. Listed at 22 retailers as of November 1, 2026, with prices from $930 to $7,530, a $6,600 spread on the same certified stone. Helzberg Diamonds lists it at $7,530. 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

3.90
Carat
F
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.9°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837653639
Dimensions10.22 × 10.27 × 5.98 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.22 mm10.27 mm3.90 ctF / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837653639
Side View
Table 63.0%Crown 32.9°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 58.4%

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: Nov 1
Current: $7,530 NZD|Low: $892 NZD|High: $7,530 NZD|Avg: $2,839 NZD
Helzberg Diamonds
Retailer 2
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Retailer 22
November 1, 2026
Retailer 3$930 NZD
Retailer 5$1,042 NZD
Retailer 6$1,152 NZD
Retailer 10$1,152 NZD
Retailer 14$1,295 NZD
Retailer 18$1,393 NZD
Retailer 13$1,475 NZD
Retailer 22$1,544 NZD
Retailer 17$1,729 NZD
Retailer 16$1,781 NZD
Retailer 9$1,845 NZD
Retailer 19$2,596 NZD
Retailer 8$2,727 NZD
Retailer 12$3,031 NZD
Retailer 4$3,353 NZD
Retailer 15$3,714 NZD
Retailer 11$3,746 NZD
Retailer 7$4,273 NZD
Retailer 21$4,711 NZD
Retailer 2$4,811 NZD
Retailer 20$6,636 NZD
Helzberg Diamonds$7,530 NZD

35 data points across 22 retailers

22 retailers$930 NZD to $7,530 NZD

A
Cheapest Retailer
-
$930 NZD
$524 USD
A
Retailer 2
-
$1,042 NZD
$587 USD
View
Retailer 3
-
$1,152 NZD
$649 USD
View
Price last confirmed 16 days ago
A
Retailer 4
-
$1,152 NZD
$649 USD
View
A
Retailer 5
-
$1,295 NZD
HK$5,700 HKD
View
A
Retailer 6
-
$1,393 NZD
$785 USD
View
A
Retailer 7
-
$1,475 NZD
£655 GBP
View
B+
Retailer 8
-
$1,544 NZD
$870 USD
View
A
Retailer 9
-
$1,729 NZD
€928 EUR
View
A
Retailer 10
-
$1,781 NZD
£790 GBP
View
A
Retailer 11
-
$1,845 NZD
$1,040 USD
View
B+
Retailer 12
-
$2,596 NZD
$1,463 USD
View
B+
Retailer 13
-
$2,727 NZD
$1,537 USD
View
B+
Retailer 14
-
$3,031 NZD
$1,708 USD
View
B+
Retailer 15
-
$3,353 NZD
£1,488 GBP
View
B
Retailer 16
-
$3,714 NZD
SGD 2,829 SGD
View
B
Retailer 17
-
$3,746 NZD
$2,111 USD
View
B
Retailer 18
-
$4,273 NZD
$2,408 USD
View
Retailer 19
-
$4,711 NZD
$2,655 USD
View
Price last confirmed 14 days ago
B
Retailer 20
-
$4,811 NZD
£2,135 GBP
View
B
Retailer 21
-
$6,636 NZD
$3,740 USD
View
Most Expensive
B
Helzberg Diamonds
ZXZOJNMLJMJP · Nov 1
$7,530 NZD
$4,244 USD
View
21 more retailers have this diamond
Prices start from $930 NZDSave up to $6,600 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
3.90ct Round
$930 NZD