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Round|Lab Grown|IGI

4.70ct G SI1 Round Lab Grown Diamond

EX • G/SI1 • IGI LG683551990

Shape and cutting style on the report: Round brilliant

Certificate IGI LG683551990

Diamond specifications and retailer prices

From $1,391 NZD
$784 USD
As of October 29, 2026
Save $5,292 NZD (79%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $11,852 NZD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 4.7ct lab-grown round diamond

This 4.7ct 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 IGI LG683551990 or 683551990. Listed at 11 retailers as of October 27, 2026, with a 380% 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

4.70
Carat
G
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG683551990
Dimensions10.70 × 10.63 × 6.61 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.70 mm10.63 mm4.70 ctG / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG683551990
Side View
Table 58.0%Crown 36.3°Girdle: MediumPavilion 40.6°Culet: NoneDepth 61.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $11,852 NZD|Low: $1,334 NZD|High: $11,852 NZD|Avg: $4,140 NZD
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
November 1, 2026
Retailer 9$1,391 NZD
Retailer 12$1,513 NZD
Retailer 11$2,257 NZD
Retailer 2$2,511 NZD
Retailer 10$2,605 NZD
Retailer 6$2,608 NZD
Retailer 5$3,135 NZD
Retailer 8$3,836 NZD
Retailer 3$4,782 NZD
Retailer 4$4,875 NZD
Retailer 13$5,005 NZD
Retailer 7$6,683 NZD
Do Amore Diamonds$11,852 NZD

33 data points across 13 retailers

11 retailers$1,391 NZD to $6,683 NZD

A
Cheapest Retailer
-
$1,391 NZD
$784 USD
A
Retailer 2
-
$1,513 NZD
$853 USD
View
B+
Retailer 3
-
$2,257 NZD
$1,272 USD
View
A
Retailer 4
-
$2,511 NZD
£1,114 GBP
View
B+
Retailer 5
-
$2,605 NZD
$1,468 USD
View
B+
Retailer 6
-
$2,608 NZD
$1,470 USD
View
B
Retailer 7
-
$3,836 NZD
$2,162 USD
View
B
Retailer 8
-
$4,782 NZD
$2,695 USD
View
B
Retailer 9
-
$5,005 NZD
$2,821 USD
View
B
Retailer 10
-
$6,683 NZD
£2,966 GBP
View
Most Expensive
Do Amore Diamonds
7-1687320 · Oct 31
$11,852 NZD
$6,680 USD
View
Price under review
10 more retailers have this diamond
Prices start from $1,391 NZDSave up to $5,292 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
4.70ct Round
$1,391 NZD