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Round|Lab Grown|IGI

1.00ct D VS1 Round Lab Grown Diamond

EX • D/VS1 • IGI LG818644852

Shape and cutting style on the report: Round brilliant

Certificate IGI LG818644852

Diamond specifications and retailer prices

From $296 NZD
$167 USD
As of October 29, 2026
Save $1,634 NZD (85%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $3,177 NZD at Queensmith · As of October 27, 2026
View at Queensmith

About this 1ct lab-grown round diamond

This 1ct lab-grown round 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 LG818644852 or 818644852. Listed at 24 retailers as of October 29, 2026, with a 552% 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

1.00
Carat
D
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.7°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818644852
Dimensions6.42 × 6.46 × 3.93 mm
L/W Ratio1.01
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
6.42 mm6.46 mm1.00 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818644852
Side View
Table 54.0%Crown 32.7°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 61.0%

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 29
Current: $625 NZD|Low: $284 NZD|High: $1,737 NZD|Avg: $765 NZD|-1.0%
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
October 30, 2026
Retailer 14$296 NZD
Retailer 3$367 NZD
Retailer 12$409 NZD
Retailer 2$497 NZD
Retailer 5$509 NZD
Retailer 1$625 NZD
Retailer 10$631 NZD
Retailer 8$632 NZD
Retailer 7$651 NZD
Retailer 11$895 NZD
Retailer 13$965 NZD
Retailer 6$1,053 NZD
Retailer 4$1,205 NZD
Retailer 9$1,726 NZD

36 data points across 14 retailers

24 retailers$296 NZD to $1,931 NZD

A
Cheapest Retailer
-
$296 NZD
$167 USD
A
Retailer 2
-
$332 NZD
$187 USD
View
Final sale: no returns
A
Retailer 3
-
$344 NZD
$194 USD
View
A
Retailer 4
-
$367 NZD
$207 USD
View
A
Retailer 5
-
$367 NZD
$207 USD
View
A
Retailer 6
-
$409 NZD
HK$1,800 HKD
View
B+
Retailer 7
-
$497 NZD
$280 USD
View
A
Retailer 8
-
$509 NZD
$287 USD
View
A
Retailer 9
-
$625 NZD
£277 GBP
View
B+
Retailer 10
-
$631 NZD
ZAR 5,741 ZAR
View
B+
Retailer 11
-
$632 NZD
€339 EUR
View
B+
Retailer 12
-
$651 NZD
£289 GBP
View
B+
Retailer 13
-
$795 NZD
$448 USD
View
B+
Retailer 14
-
$895 NZD
A$776 AUD
View
B+
Retailer 15
-
$965 NZD
$544 USD
View
B
Retailer 16
-
$1,006 NZD
SGD 766 SGD
View
Retailer 17
-
$1,053 NZD
A$913 AUD
View
Price last confirmed 33 days ago
B
Retailer 18
-
$1,180 NZD
$665 USD
View
B
Retailer 19
-
$1,205 NZD
$679 USD
View
B
Retailer 20
-
$1,278 NZD
$720 USD
View
Retailer 21
-
$1,561 NZD
$880 USD
View
Price last confirmed 40 days ago
B
Retailer 22
-
$1,726 NZD
£766 GBP
View
B
Retailer 23
-
$1,931 NZD
$1,088 USD
View
Most Expensive
Queensmith
LG818644852 · Oct 27
$3,177 NZD
£1,410 GBP
View
Price under review
23 more retailers have this diamond
Prices start from $296 NZDSave up to $1,634 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 Round
$296 NZD