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Round|Lab Grown|IGI

3.50ct D VS1 Round Lab Grown Diamond

ID • D/VS1 • IGI LG814645229

Shape and cutting style on the report: Round brilliant

Certificate IGI LG814645229

Diamond specifications and retailer prices

From $1,198 NZD
$673 USD
As of October 26, 2026
Save $4,661 NZD (80%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $6,891 NZD 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 LG814645229 or 814645229. 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 LG814645229
Dimensions9.80 × 9.77 × 5.93 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 mm9.77 mm3.50 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG814645229
Side View
Table 59.0%Crown 34.3°Girdle: MediumPavilion 40.7°Culet: NoneDepth 60.6%

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 26
Current: $6,891 NZD|Low: $1,298 NZD|High: $6,962 NZD|Avg: $3,273 NZD|-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
October 27, 2026
Retailer 6$1,341 NZD
Retailer 16$1,389 NZD
Retailer 17$1,911 NZD
Retailer 3$2,096 NZD
Retailer 10$2,202 NZD
Retailer 11$2,243 NZD
Retailer 7$2,263 NZD
Retailer 2$2,419 NZD
Retailer 14$3,155 NZD
Retailer 13$3,195 NZD
Retailer 4$3,208 NZD
Retailer 15$3,549 NZD
Retailer 9$4,738 NZD
Retailer 5$4,791 NZD
Retailer 8$4,810 NZD
Retailer 12$5,859 NZD
Rare Carat$6,891 NZD

37 data points across 17 retailers

21 retailers$1,198 NZD to $5,859 NZD

A
Cheapest Retailer
-
$1,198 NZD
$673 USD
Retailer 2
-
$1,262 NZD
$709 USD
View
Price last confirmed 20 days ago
A
Retailer 3
-
$1,341 NZD
$753 USD
View
Final sale: no returns
Retailer 4
-
$1,389 NZD
$780 USD
View
Price last confirmed 12 days ago
A
Retailer 5
-
$1,389 NZD
$780 USD
View
Retailer 6
-
$1,911 NZD
£845 GBP
View
Price last confirmed 13 days ago
A
Retailer 7
-
$2,096 NZD
$1,177 USD
View
A
Retailer 8
-
$2,202 NZD
£974 GBP
View
B+
Retailer 9
-
$2,243 NZD
$1,260 USD
View
A
Retailer 10
-
$2,263 NZD
$1,271 USD
View
B+
Retailer 11
-
$2,419 NZD
€1,294 EUR
View
Retailer 12
-
$3,155 NZD
A$2,726 AUD
View
Price last confirmed 9 days ago
B+
Retailer 13
-
$3,195 NZD
ZAR 28,990 ZAR
View
B+
Retailer 14
-
$3,208 NZD
$1,802 USD
View
B+
Retailer 15
-
$3,549 NZD
$1,993 USD
View
B+
Retailer 16
-
$3,905 NZD
$2,193 USD
View
B
Retailer 17
-
$4,738 NZD
$2,661 USD
View
B
Retailer 18
-
$4,791 NZD
$2,691 USD
View
B
Retailer 19
-
$4,810 NZD
$2,701 USD
View
B
Retailer 20
-
$5,859 NZD
£2,591 GBP
View
Most Expensive
Rare Carat
964549 · Oct 18
$6,891 NZD
$3,870 USD
View
Price last confirmed 12 days ago
20 more retailers have this diamond
Prices start from $1,198 NZDSave up to $4,661 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
3.50ct Round
$1,198 NZD