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Heart|Lab Grown|IGI

1.00ct E VVS1 Heart Lab Grown Diamond

EX • E/VVS1 • IGI LG818671052

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG818671052

Diamond specifications and retailer prices

From $328 NZD
$184 USD
As of October 27, 2026
Save $1,704 NZD (84%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $2,032 NZD at Reve Diamonds · As of October 28, 2026
View at Reve Diamonds

About this 1ct lab-grown heart diamond

This 1ct lab-grown heart sits in the classic one-carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG818671052 or 818671052. Listed at 19 retailers as of October 27, 2026, with prices from $328 to $2,032, a $1,704 spread on the same certified stone. Reve Diamonds lists it at $2,032. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
E
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.4°
Pavilion angle42.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818671052
Dimensions5.98 × 7.08 × 4.09 mm
L/W Ratio1.18
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
5.98 mm7.08 mm1.00 ctE / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818671052
Side View
Table 62.0%Crown 33.4°Girdle: MED-VTKPavilion 42.1°Culet: NoneDepth 57.8%

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: $732 NZD|Low: $267 NZD|High: $2,066 NZD|Avg: $1,040 NZD|+3.6%
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
Retailer 15
Retailer 16
Reve Diamonds
October 29, 2026
Retailer 3$363 NZD
Retailer 15$379 NZD
Retailer 6$406 NZD
Retailer 12$406 NZD
Retailer 7$548 NZD
Retailer 10$696 NZD
Retailer 14$712 NZD
Retailer 1$732 NZD
Retailer 4$900 NZD
Retailer 11$988 NZD
Retailer 8$1,104 NZD
Retailer 16$1,303 NZD
Retailer 2$1,376 NZD
Retailer 5$1,399 NZD
Retailer 9$1,451 NZD
Retailer 13$1,897 NZD
Reve Diamonds$2,032 NZD

44 data points across 17 retailers

19 retailers$328 NZD to $2,032 NZD

A
Cheapest Retailer
-
$328 NZD
$184 USD
A
Retailer 2
-
$363 NZD
$204 USD
View
Final sale: no returns
A
Retailer 3
-
$379 NZD
$213 USD
View
A
Retailer 4
-
$406 NZD
$228 USD
View
A
Retailer 5
-
$406 NZD
$228 USD
View
Retailer 6
-
$410 NZD
$230 USD
View
Price last confirmed 34 days ago
A
Retailer 7
-
$548 NZD
$308 USD
View
A
Retailer 8
-
$696 NZD
ZAR 6,313 ZAR
View
B+
Retailer 9
-
$712 NZD
$400 USD
View
B+
Retailer 10
-
$732 NZD
£324 GBP
View
B+
Retailer 11
-
$900 NZD
A$778 AUD
View
B+
Retailer 12
-
$988 NZD
A$854 AUD
View
B+
Retailer 13
-
$1,104 NZD
SGD 838 SGD
View
B
Retailer 14
-
$1,303 NZD
$732 USD
View
B
Retailer 15
-
$1,376 NZD
$773 USD
View
B
Retailer 16
-
$1,399 NZD
$786 USD
View
B
Retailer 17
-
$1,451 NZD
A$1,254 AUD
View
B
Retailer 18
-
$1,897 NZD
£839 GBP
View
Most Expensive
B
Reve Diamonds
712B7DF11 · Oct 28
$2,032 NZD
$1,141 USD
View
18 more retailers have this diamond
Prices start from $328 NZDSave up to $1,704 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
1.00ct Heart
$328 NZD