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Round|Lab Grown|IGI

1.05ct F SI1 Round Lab Grown Diamond

EX • F/SI1 • IGI LG846647376

Shape and cutting style on the report: Round brilliant

Certificate IGI LG846647376

Diamond specifications and retailer prices

From $463 NZD
As of November 6, 2026
Save $427 NZD (48%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,867 NZD at Reve Diamonds · As of October 26, 2026
View at Reve Diamonds

About this 1.05ct lab-grown round diamond

This 1.05ct lab-grown round sits in the classic one-carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG846647376 or 846647376. Listed at 15 retailers as of November 5, 2026, with a 92% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.05
Carat
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle34.1°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846647376
Dimensions6.53 × 6.50 × 3.93 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.53 mm6.50 mm1.05 ctF / SI1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG846647376
Side View
Table 62.0%Crown 34.1°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 60.4%

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 6
Current: $587 NZD|Low: $276 NZD|High: $1,867 NZD|Avg: $778 NZD
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
Reve Diamonds
November 6, 2026
Retailer 3$276 NZD
Retailer 4$306 NZD
Retailer 13$320 NZD
Retailer 15$342 NZD
Retailer 6$463 NZD
Retailer 11$541 NZD
Retailer 1$587 NZD
Retailer 14$592 NZD
Retailer 8$594 NZD
Retailer 9$596 NZD
Retailer 10$872 NZD
Retailer 12$889 NZD
Retailer 2$911 NZD
Retailer 5$1,195 NZD
Retailer 7$1,599 NZD
Reve Diamonds$1,867 NZD

10 data points across 16 retailers

15 retailers$463 NZD to $889 NZD

Retailer 1
-
$276 NZD
Price last confirmed 11 days ago
Retailer 2
-
$320 NZD
View
Price last confirmed 7 days ago
Retailer 3
-
$342 NZD
View
Price last confirmed 10 days ago
B+
Retailer 4
-
$463 NZD
View
A
Retailer 5
-
$541 NZD
View
A
Retailer 6
-
$587 NZD
View
Retailer 7
-
$592 NZD
View
Price last confirmed 9 days ago
A
Retailer 8
-
$594 NZD
View
A
Retailer 9
-
$596 NZD
View
B+
Retailer 10
-
$872 NZD
View
B+
Retailer 11
-
$889 NZD
View
Retailer 12
-
$911 NZD
View
Price last confirmed 11 days ago
Retailer 13
-
$1,195 NZD
View
Price last confirmed 10 days ago
Retailer 14
-
$1,599 NZD
View
Price last confirmed 11 days ago
Most Expensive
Reve Diamonds
37208E10C · Oct 26
$1,867 NZD
$1,050 USD
View
Price last confirmed 11 days ago
14 more retailers have this diamond
Prices start from $463 NZDSave up to $427 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
$463 NZD