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Heart|Lab Grown|IGI

3.51ct E VS1 Heart Lab Grown Diamond

EX • E/VS1 • IGI LG707537705

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG707537705

Diamond specifications and retailer prices

From $1,700 NZD
$958 USD
As of October 31, 2026
Save $5,225 NZD (75%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $14,159 NZD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 3.51ct lab-grown heart diamond

This 3.51ct lab-grown heart sits in the three to five carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG707537705 or 707537705. Listed at 21 retailers as of October 31, 2026, with a 307% 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

3.51
Carat
E
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.9°
Pavilion angle38.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG707537705
Dimensions8.84 × 10.48 × 6.28 mm
L/W Ratio1.19
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.84 mm10.48 mm3.51 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG707537705
Side View
Table 58.0%Crown 36.9°Girdle: STK-THKPavilion 38.8°Culet: NoneDepth 59.9%

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 31
Current: $2,371 NZD|Low: $1,700 NZD|High: $6,681 NZD|Avg: $3,510 NZD|-0.4%
Retailer 1
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
November 1, 2026
Retailer 4$1,700 NZD
Retailer 3$1,760 NZD
Retailer 5$2,079 NZD
Retailer 14$2,120 NZD
Retailer 1$2,371 NZD
Retailer 6$2,482 NZD
Retailer 7$2,996 NZD
Retailer 12$3,815 NZD
Retailer 13$4,049 NZD
Retailer 8$4,389 NZD
Retailer 10$4,513 NZD
Retailer 9$5,201 NZD
Retailer 2$5,507 NZD
Retailer 11$6,627 NZD

42 data points across 14 retailers

21 retailers$1,700 NZD to $6,925 NZD

Retailer 1
-
$1,457 NZD
$821 USD
Price last confirmed 30 days ago
Retailer 2
-
$1,652 NZD
$931 USD
View
Price last confirmed 33 days ago
A
Retailer 3
-
$1,700 NZD
$958 USD
View
Final sale: no returns
Retailer 4
-
$1,760 NZD
$992 USD
View
Price last confirmed 29 days ago
A
Retailer 5
-
$2,120 NZD
$1,195 USD
View
A
Retailer 6
-
$2,285 NZD
$1,288 USD
View
A
Retailer 7
-
$2,371 NZD
£1,052 GBP
View
A
Retailer 8
-
$2,482 NZD
$1,399 USD
View
B+
Retailer 9
-
$2,996 NZD
£1,329 GBP
View
B+
Retailer 10
-
$3,815 NZD
A$3,308 AUD
View
B+
Retailer 11
-
$4,049 NZD
$2,282 USD
View
B
Retailer 12
-
$4,389 NZD
A$3,806 AUD
View
B+
Retailer 13
-
$4,513 NZD
ZAR 41,094 ZAR
View
B
Retailer 14
-
$5,201 NZD
A$4,510 AUD
View
Retailer 15
-
$5,465 NZD
$3,080 USD
View
Price last confirmed 31 days ago
B
Retailer 16
-
$5,507 NZD
$3,104 USD
View
B
Retailer 17
-
$5,777 NZD
$3,256 USD
View
B
Retailer 18
-
$6,627 NZD
£2,941 GBP
View
B
Retailer 19
-
$6,925 NZD
$3,903 USD
View
Retailer 20
-
$13,485 NZD
$7,600 USD
View
Price under review
Most Expensive
Do Amore Diamonds
23-707537705 · Oct 31
$14,159 NZD
$7,980 USD
View
Price under review
20 more retailers have this diamond
Prices start from $1,700 NZDSave up to $5,225 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
3.51ct Heart
$1,700 NZD