Round|Lab Grown|GIA

4.18ct G SI1 Round Lab Grown Diamond

EX • G/SI1 • GIA 6472342079

Certificate GIA 6472342079

Diamond specifications and retailer prices

From $1,363 NZD
$768 USD
As of October 29, 2026
Save $5,309 NZD (80%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $12,101 NZD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 4.18ct lab-grown round diamond

This 4.18ct lab-grown round sits in the three to five carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6472342079. Listed at 11 retailers as of October 29, 2026, with a 390% 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

4.18
Carat
G
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.8°
OriginLab Grown
Grading LabGIA
CertificateGIA 6472342079
Dimensions10.40 × 10.43 × 6.29 mm
L/W Ratio1.00
Top View
10.40 mm10.43 mm4.18 ctG / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6472342079
Side View
Table 59.0%Crown 34°Girdle: MED-MEDPavilion 40.8°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: Oct 29
Current: $12,101 NZD|Low: $1,237 NZD|High: $13,360 NZD|Avg: $4,180 NZD|-9.4%
Do Amore Diamonds
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
October 28, 2026
Retailer 11$1,363 NZD
Retailer 9$1,483 NZD
Retailer 14$1,663 NZD
Retailer 7$2,377 NZD
Retailer 13$2,559 NZD
Retailer 2$2,564 NZD
Retailer 6$3,164 NZD
Retailer 5$3,216 NZD
Retailer 3$3,289 NZD
Retailer 15$3,336 NZD
Retailer 10$3,762 NZD
Retailer 12$4,908 NZD
Retailer 8$6,553 NZD
Retailer 4$6,671 NZD
Do Amore Diamonds$12,101 NZD

21 data points across 15 retailers

11 retailers$1,363 NZD to $6,671 NZD

A
Cheapest Retailer
-
$1,363 NZD
$768 USD
A
Retailer 2
-
$1,483 NZD
$836 USD
View
A
Retailer 3
-
$1,663 NZD
$937 USD
View
Final sale: no returns
B+
Retailer 4
-
$2,559 NZD
$1,442 USD
View
B+
Retailer 5
-
$2,564 NZD
$1,445 USD
View
B
Retailer 6
-
$3,762 NZD
$2,120 USD
View
B
Retailer 7
-
$4,908 NZD
$2,766 USD
View
B
Retailer 8
-
$6,553 NZD
£2,908 GBP
View
B
Retailer 9
-
$6,671 NZD
$3,760 USD
View
Retailer 10
-
$11,693 NZD
$6,590 USD
View
Price under review
Most Expensive
Do Amore Diamonds
27-E4E4C6A0B · Oct 31
$12,101 NZD
$6,820 USD
View
Price under review
10 more retailers have this diamond
Prices start from $1,363 NZDSave up to $5,309 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
4.18ct Round
$1,363 NZD