CaratHunter
Plans
Round|Lab Grown|IGI

3.51ct G SI1 Round Lab Grown Diamond

ID • G/SI1 • IGI LG626476207

Shape and cutting style on the report: Round brilliant

Certificate IGI LG626476207

Diamond specifications and retailer prices

From $4,943 NZD
CA$3,870 CAD
As of October 30, 2026
Save $3,776 NZD (43%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $8,719 NZD at The Diamond Guys · As of November 1, 2026
View at The Diamond Guys

About this 3.51ct lab-grown round diamond

This 3.51ct 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 LG626476207 or 626476207. Listed at 2 retailers as of October 30, 2026, with prices from $4,943 to $8,719, a $3,776 spread on the same certified stone. The Diamond Guys lists it at $8,719. 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

3.51
Carat
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG626476207
Dimensions9.72 × 9.66 × 5.99 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
9.72 mm9.66 mm3.51 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG626476207
Side View
Table 58.0%Crown 35.1°Girdle: MediumPavilion 40.8°Culet: NoneDepth 61.7%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $4,943 NZD|Low: $2,094 NZD|High: $13,627 NZD|Avg: $5,645 NZD|+32.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
The Diamond Guys
June 15, 2026
Retailer 3$3,080 NZD
Retailer 6$3,176 NZD
Retailer 2$3,272 NZD
Retailer 5$3,547 NZD
Retailer 4$3,962 NZD
Retailer 1$4,943 NZD
The Diamond Guys$8,719 NZD
Retailer 7$13,627 NZD

49 data points across 8 retailers

2 retailers$4,943 NZD to $8,719 NZD

B
Cheapest Retailer
-
$4,943 NZD
CA$3,870 CAD
Most Expensive
B
The Diamond Guys
1779253161 · Nov 1
$8,719 NZD
$4,914 USD
View
1 more retailer has this diamond
Prices start from $4,943 NZDSave up to $3,776 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.

B
3.51ct Round
$4,943 NZD