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Round|Lab Grown|IGI

1.05ct E VVS1 Round Lab Grown Diamond

ID • E/VVS1 • IGI LG645435457

Shape and cutting style on the report: Round brilliant

Certificate IGI LG645435457

Diamond specifications and retailer prices

From $342 NZD
$192 USD
As of October 28, 2026
Save $2,792 NZD (89%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $3,134 NZD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 1.05ct lab-grown round diamond

This 1.05ct lab-grown round 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 LG645435457 or 645435457. Listed at 25 retailers as of October 28, 2026, with prices from $342 to $3,134, a $2,792 spread on the same certified stone. Do Amore Diamonds lists it at $3,134. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.05
Carat
E
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.1°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG645435457
Dimensions6.57 × 6.62 × 4.01 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
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
6.57 mm6.62 mm1.05 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG645435457
Side View
Table 56.0%Crown 33.1°Girdle: THN-MEDPavilion 41°Culet: NoneDepth 60.8%

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 28
Current: $759 NZD|Low: $342 NZD|High: $2,279 NZD|Avg: $921 NZD|+6.5%
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 4$342 NZD
Retailer 5$374 NZD
Retailer 3$507 NZD
Retailer 6$513 NZD
Retailer 7$719 NZD
Retailer 1$759 NZD
Retailer 2$810 NZD
Retailer 11$935 NZD
Retailer 9$1,022 NZD
Retailer 13$1,072 NZD
Retailer 14$1,095 NZD
Retailer 8$1,362 NZD
Retailer 12$1,970 NZD
Retailer 10$2,279 NZD

41 data points across 14 retailers

25 retailers$342 NZD to $3,134 NZD

Retailer 1
-
$306 NZD
$172 USD
Price last confirmed 19 days ago
A
Retailer 2
-
$342 NZD
$192 USD
View
Final sale: no returns
Retailer 3
-
$354 NZD
$199 USD
View
Price last confirmed 16 days ago
Retailer 4
-
$374 NZD
$210 USD
View
Price last confirmed 44 days ago
Retailer 5
-
$379 NZD
$213 USD
View
Price last confirmed 27 days ago
Retailer 6
-
$379 NZD
$213 USD
View
Price last confirmed 13 days ago
A
Retailer 7
-
$507 NZD
$285 USD
View
B+
Retailer 8
-
$513 NZD
$288 USD
View
A
Retailer 9
-
$593 NZD
HK$2,600 HKD
View
B+
Retailer 10
-
$719 NZD
ZAR 6,526 ZAR
View
B+
Retailer 11
-
$759 NZD
£336 GBP
View
B+
Retailer 12
-
$810 NZD
$455 USD
View
B+
Retailer 13
-
$935 NZD
A$808 AUD
View
B+
Retailer 14
-
$1,022 NZD
A$883 AUD
View
B+
Retailer 15
-
$1,072 NZD
$602 USD
View
Retailer 16
-
$1,095 NZD
$615 USD
View
Price last confirmed 19 days ago
Retailer 17
-
$1,346 NZD
$756 USD
View
Price last confirmed 29 days ago
B+
Retailer 18
-
$1,362 NZD
A$1,177 AUD
View
B
Retailer 19
-
$1,440 NZD
SGD 1,093 SGD
View
B
Retailer 20
-
$1,655 NZD
$929 USD
View
B
Retailer 21
-
$1,968 NZD
$1,106 USD
View
B
Retailer 22
-
$1,970 NZD
£871 GBP
View
B
Retailer 23
-
$2,279 NZD
$1,280 USD
View
B
Retailer 24
-
$2,938 NZD
$1,650 USD
View
Most Expensive
B
Do Amore Diamonds
23-645435457 · Oct 29
$3,134 NZD
$1,760 USD
View
24 more retailers have this diamond
Prices start from $342 NZDSave up to $2,792 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 Round
$342 NZD