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Round|Lab Grown|IGI

3.50ct D VS1 Round Lab Grown Diamond

ID • D/VS1 • IGI LG799616678

Shape and cutting style on the report: Round brilliant

Certificate IGI LG799616678

Diamond specifications and retailer prices

From $958 AUD
$673 USD
As of October 26, 2026
Save $3,726 AUD (80%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $5,509 AUD at Rare Carat · As of October 18, 2026
View at Rare Carat

About this 3.5ct lab-grown round diamond

This 3.5ct lab-grown round sits in the three to five carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG799616678 or 799616678. Listed at 21 retailers as of October 26, 2026, with a 389% 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

3.50
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799616678
Dimensions9.80 × 9.76 × 5.95 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
9.80 mm9.76 mm3.50 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG799616678
Side View
Table 58.0%Crown 34.3°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 60.9%

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 26
Current: $5,509 AUD|Low: $927 AUD|High: $5,565 AUD|Avg: $2,312 AUD|-0.8%
Rare Carat
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
Retailer 18
Retailer 19
Retailer 20
Retailer 21
October 27, 2026
Retailer 5$958 AUD
Retailer 19$1,042 AUD
Retailer 10$1,072 AUD
Retailer 3$1,110 AUD
Retailer 4$1,110 AUD
Retailer 21$1,527 AUD
Retailer 7$1,675 AUD
Retailer 13$1,760 AUD
Retailer 16$1,793 AUD
Retailer 11$1,809 AUD
Retailer 2$1,934 AUD
Retailer 18$2,522 AUD
Retailer 17$2,554 AUD
Retailer 8$2,565 AUD
Retailer 20$2,837 AUD
Retailer 6$3,122 AUD
Retailer 14$3,788 AUD
Retailer 9$3,830 AUD
Retailer 12$3,845 AUD
Retailer 15$4,684 AUD
Rare Carat$5,509 AUD

40 data points across 21 retailers

21 retailers$958 AUD to $4,684 AUD

A
Cheapest Retailer
-
$958 AUD
$673 USD
A
Retailer 2
-
$1,042 AUD
$732 USD
View
A
Retailer 3
-
$1,072 AUD
$753 USD
View
Final sale: no returns
A
Retailer 4
-
$1,110 AUD
$780 USD
View
Retailer 5
-
$1,110 AUD
$780 USD
View
Price last confirmed 13 days ago
Retailer 6
-
$1,527 AUD
£845 GBP
View
Price last confirmed 12 days ago
A
Retailer 7
-
$1,675 AUD
$1,177 USD
View
A
Retailer 8
-
$1,760 AUD
£974 GBP
View
B+
Retailer 9
-
$1,793 AUD
$1,260 USD
View
A
Retailer 10
-
$1,809 AUD
$1,271 USD
View
B+
Retailer 11
-
$1,934 AUD
€1,294 EUR
View
Retailer 12
-
$2,522 AUD
View
Price last confirmed 9 days ago
B+
Retailer 13
-
$2,554 AUD
ZAR 28,990 ZAR
View
B+
Retailer 14
-
$2,565 AUD
$1,802 USD
View
B+
Retailer 15
-
$2,837 AUD
$1,993 USD
View
B+
Retailer 16
-
$3,122 AUD
$2,193 USD
View
B
Retailer 17
-
$3,788 AUD
$2,661 USD
View
B
Retailer 18
-
$3,830 AUD
$2,691 USD
View
B
Retailer 19
-
$3,845 AUD
$2,701 USD
View
B
Retailer 20
-
$4,684 AUD
£2,591 GBP
View
Most Expensive
Rare Carat
950085 · Oct 18
$5,509 AUD
$3,870 USD
View
Price last confirmed 11 days ago
20 more retailers have this diamond
Prices start from $958 AUDSave up to $3,726 AUD

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
3.50ct Round
$958 AUD