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Heart|Lab Grown|IGI

1.05ct D VS1 Heart Lab Grown Diamond

ID • D/VS1 • IGI LG821630520

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG821630520

Diamond specifications and retailer prices

From $409 NZD
HK$1,800 HKD
As of November 1, 2026
Save $995 NZD (71%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $2,079 NZD at Brilliant Earth · As of October 1, 2026
View at Brilliant Earth

About this 1.05ct lab-grown heart diamond

This 1.05ct lab-grown heart sits in the classic one-carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG821630520 or 821630520. Listed at 21 retailers as of October 30, 2026, with a 243% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.05
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle34.2°
Pavilion angle41.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG821630520
Dimensions6.89 × 6.29 × 4.09 mm
L/W Ratio1.10
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.89 mm6.29 mm1.05 ctD / VS1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG821630520
Side View
Table 66.0%Crown 34.2°Girdle: STK-THKPavilion 41.6°Culet: NoneDepth 59.4%

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: Nov 1
Current: $1,404 NZD|Low: $275 NZD|High: $2,026 NZD|Avg: $820 NZD|-30.7%
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
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
October 30, 2026
Retailer 6$286 NZD
Retailer 4$318 NZD
Retailer 3$332 NZD
Retailer 9$355 NZD
Retailer 14$409 NZD
Retailer 15$476 NZD
Retailer 19$601 NZD
Retailer 13$601 NZD
Retailer 16$623 NZD
Retailer 21$643 NZD
Retailer 2$654 NZD
Retailer 17$763 NZD
Retailer 8$789 NZD
Retailer 20$922 NZD
Retailer 11$973 NZD
Retailer 7$1,143 NZD
Retailer 12$1,171 NZD
Retailer 10$1,240 NZD
Brilliant Earth$1,404 NZD
Retailer 18$1,664 NZD
Retailer 5$1,901 NZD

38 data points across 21 retailers

21 retailers$409 NZD to $1,404 NZD

Retailer 1
-
$286 NZD
$161 USD
Price last confirmed 14 days ago
Retailer 2
-
$332 NZD
$187 USD
View
Price last confirmed 13 days ago
Retailer 3
-
$355 NZD
$200 USD
View
Price last confirmed 14 days ago
A
Retailer 4
-
$409 NZD
HK$1,800 HKD
View
A
Retailer 5
-
$476 NZD
£211 GBP
View
Retailer 6
-
$601 NZD
ZAR 5,459 ZAR
View
Price last confirmed 11 days ago
A
Retailer 7
-
$601 NZD
€322 EUR
View
A
Retailer 8
-
$623 NZD
£276 GBP
View
Retailer 9
-
$643 NZD
$362 USD
View
Price last confirmed 8 days ago
B+
Retailer 10
-
$654 NZD
$368 USD
View
Retailer 11
-
$763 NZD
£338 GBP
View
Price last confirmed 8 days ago
B+
Retailer 12
-
$789 NZD
$444 USD
View
B+
Retailer 13
-
$922 NZD
$519 USD
View
B+
Retailer 14
-
$973 NZD
SGD 740 SGD
View
Retailer 15
-
$1,143 NZD
$643 USD
View
Price last confirmed 14 days ago
B
Retailer 16
-
$1,157 NZD
$651 USD
View
B
Retailer 17
-
$1,240 NZD
$697 USD
View
B
Retailer 18
-
$1,404 NZD
$790 USD
View
Retailer 19
-
$1,664 NZD
£737 GBP
View
Price last confirmed 8 days ago
Retailer 20
-
$1,901 NZD
$1,070 USD
View
Price last confirmed 8 days ago
Most Expensive
Brilliant Earth
20782164A · Oct 1
$2,079 NZD
$1,170 USD
View
Price last confirmed 32 days ago
20 more retailers have this diamond
Prices start from $409 NZDSave up to $995 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
1.05ct Heart
$409 NZD