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Heart|Lab Grown|IGI

20.61ct G VS1 Heart Lab Grown Diamond

ID • G/VS1 • IGI LG725507684

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG725507684

Diamond specifications and retailer prices

From $29,393 NZD
£13,017 GBP
As of November 2, 2026
Save $39,218 NZD (57%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $68,610 NZD at Aida Diamonds · As of November 1, 2026
View at Aida Diamonds

About this 20.61ct lab-grown heart diamond

This 20.61ct lab-grown heart sits in the over five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG725507684 or 725507684. Listed at 11 retailers as of November 1, 2026, with prices from $29,393 to $68,610, a $39,218 spread on the same certified stone. Aida Diamonds lists it at $68,610. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

20.61
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG725507684
Dimensions17.60 × 18.87 × 10.84 mm
L/W Ratio1.07
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
17.60 mm18.87 mm20.61 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG725507684
Side View
Table 62.0%Crown 36.1°Girdle: MED-THKPavilion 39.4°Culet: NoneDepth 57.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $68,610 NZD|Low: $29,393 NZD|High: $68,610 NZD|Avg: $36,301 NZD
Aida Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 2$29,393 NZD
Retailer 8$31,551 NZD
Retailer 7$32,308 NZD
Retailer 6$34,299 NZD
Retailer 3$35,334 NZD
Retailer 4$36,058 NZD
Retailer 10$36,058 NZD
Retailer 9$36,191 NZD
Retailer 5$36,598 NZD
Retailer 11$51,283 NZD
Aida Diamonds$68,610 NZD

11 data points across 11 retailers

11 retailers$29,393 NZD to $68,610 NZD

B+
Cheapest Retailer
-
$29,393 NZD
£13,017 GBP
B
Retailer 2
-
$31,551 NZD
$17,745 USD
View
B
Retailer 3
-
$32,308 NZD
$18,171 USD
View
B
Retailer 4
-
$34,299 NZD
$19,291 USD
View
B
Retailer 5
-
$35,334 NZD
$19,873 USD
View
Final sale: no returns
B
Retailer 6
-
$36,058 NZD
$20,280 USD
View
B
Retailer 7
-
$36,058 NZD
$20,280 USD
View
B
Retailer 8
-
$36,191 NZD
$20,355 USD
View
B
Retailer 9
-
$36,598 NZD
$20,584 USD
View
B
Retailer 10
-
$51,283 NZD
$28,843 USD
View
Most Expensive
B
Aida Diamonds
497452462 · Nov 1
$68,610 NZD
A$59,367 AUD
View
10 more retailers have this diamond
Prices start from $29,393 NZDSave up to $39,218 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+
20.61ct Heart
$29,393 NZD