CaratHunter
Plans
Round|Lab Grown|IGI

3.50ct D VS1 Round Lab Grown Diamond

ID • D/VS1 • IGI LG831616987

Shape and cutting style on the report: Round brilliant

Certificate IGI LG831616987

Diamond specifications and retailer prices

From $1,072 AUD
$753 USD
As of October 27, 2026
Save $3,612 AUD (77%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $12,924 AUD at Brilliant Earth · As of October 26, 2026
View at Brilliant Earth

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 LG831616987 or 831616987. Listed at 20 retailers as of October 26, 2026, with a 337% 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 angle35.6°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831616987
Dimensions9.66 × 9.71 × 6.05 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.66 mm9.71 mm3.50 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831616987
Side View
Table 56.0%Crown 35.6°Girdle: MediumPavilion 40.9°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 27
Current: $12,924 AUD|Low: $1,038 AUD|High: $13,323 AUD|Avg: $3,675 AUD|-3.0%
Brilliant Earth
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
October 27, 2026
Retailer 5$1,072 AUD
Retailer 16$1,527 AUD
Retailer 9$1,760 AUD
Retailer 10$1,793 AUD
Retailer 6$1,809 AUD
Retailer 2$1,934 AUD
Retailer 13$2,522 AUD
Retailer 12$2,554 AUD
Retailer 3$2,565 AUD
Retailer 14$2,837 AUD
Retailer 8$3,788 AUD
Retailer 4$3,830 AUD
Retailer 7$3,845 AUD
Retailer 11$4,684 AUD
Retailer 15$5,509 AUD
Brilliant Earth$12,924 AUD

37 data points across 16 retailers

20 retailers$1,072 AUD to $4,684 AUD

Retailer 1
-
$927 AUD
$651 USD
Price last confirmed 37 days ago
Retailer 2
-
$1,009 AUD
$709 USD
View
Price last confirmed 36 days ago
Retailer 3
-
$1,060 AUD
$745 USD
View
Price last confirmed 32 days ago
A
Retailer 4
-
$1,072 AUD
$753 USD
View
Final sale: no returns
Retailer 5
-
$1,527 AUD
£845 GBP
View
Price last confirmed 13 days ago
A
Retailer 6
-
$1,760 AUD
£974 GBP
View
A
Retailer 7
-
$1,793 AUD
$1,260 USD
View
A
Retailer 8
-
$1,809 AUD
$1,271 USD
View
A
Retailer 9
-
$1,934 AUD
€1,294 EUR
View
Retailer 10
-
$2,522 AUD
View
Price last confirmed 9 days ago
B+
Retailer 11
-
$2,554 AUD
ZAR 28,990 ZAR
View
B+
Retailer 12
-
$2,565 AUD
$1,802 USD
View
B+
Retailer 13
-
$2,837 AUD
$1,993 USD
View
Retailer 14
-
$3,023 AUD
$2,124 USD
View
Price last confirmed 33 days ago
B
Retailer 15
-
$3,788 AUD
$2,661 USD
View
B
Retailer 16
-
$3,830 AUD
$2,691 USD
View
B
Retailer 17
-
$3,845 AUD
$2,701 USD
View
B
Retailer 18
-
$4,684 AUD
£2,591 GBP
View
Retailer 19
-
$5,509 AUD
$3,870 USD
View
Price last confirmed 12 days ago
Most Expensive
Brilliant Earth
21300317A · Oct 26
$12,924 AUD
$9,080 USD
View
Price under review
19 more retailers have this diamond
Prices start from $1,072 AUDSave up to $3,612 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
$1,072 AUD