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Heart|Lab Grown|IGI

16.74ct G VS1 Heart Lab Grown Diamond

EX • G/VS1 • IGI LG773667311

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG773667311

Diamond specifications and retailer prices

From $9,209 AUD
£5,082 GBP
As of November 2, 2026
Save $29,965 AUD (76%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $39,174 AUD at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 16.74ct lab-grown heart diamond

This 16.74ct 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 LG773667311 or 773667311. Listed at 17 retailers as of October 31, 2026, with prices from $9,209 to $39,174, a $29,965 spread on the same certified stone. Taylor and Hart lists it at $39,174. 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

16.74
Carat
G
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.1°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG773667311
Dimensions15.60 × 17.36 × 10.50 mm
L/W Ratio1.11
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.60 mm17.36 mm16.74 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG773667311
Side View
Table 63.0%Crown 41.1°Girdle: MED-STKPavilion 39.9°Culet: NoneDepth 60.5%

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 2
Current: $14,285 AUD|Low: $9,207 AUD|High: $31,919 AUD|Avg: $14,650 AUD|-1.0%
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
Retailer 16
November 3, 2026
Retailer 9$9,209 AUD
Retailer 2$9,886 AUD
Retailer 14$10,281 AUD
Retailer 6$10,921 AUD
Retailer 11$11,437 AUD
Retailer 4$11,467 AUD
Retailer 16$11,467 AUD
Retailer 7$11,492 AUD
Retailer 3$13,180 AUD
Retailer 15$13,613 AUD
Retailer 1$14,285 AUD
Retailer 13$16,969 AUD
Retailer 12$17,751 AUD
Retailer 10$21,891 AUD
Retailer 8$24,792 AUD
Retailer 5$31,919 AUD

38 data points across 16 retailers

17 retailers$9,209 AUD to $39,174 AUD

A
Cheapest Retailer
-
$9,209 AUD
£5,082 GBP
A
Retailer 2
-
$9,886 AUD
$6,928 USD
View
A
Retailer 3
-
$10,281 AUD
$7,205 USD
View
A
Retailer 4
-
$10,921 AUD
$7,654 USD
View
B+
Retailer 5
-
$11,437 AUD
$8,015 USD
View
A
Retailer 6
-
$11,467 AUD
$8,036 USD
View
Retailer 7
-
$11,467 AUD
$8,036 USD
View
Price last confirmed 21 days ago
B+
Retailer 8
-
$11,492 AUD
$8,054 USD
View
Final sale: no returns
B+
Retailer 9
-
$13,180 AUD
$9,237 USD
View
B+
Retailer 10
-
$13,613 AUD
$9,540 USD
View
B+
Retailer 11
-
$14,285 AUD
£7,883 GBP
View
B
Retailer 12
-
$16,969 AUD
$11,892 USD
View
B+
Retailer 13
-
$17,751 AUD
ZAR 200,972 ZAR
View
B
Retailer 14
-
$21,891 AUD
View
B
Retailer 15
-
$24,792 AUD
$17,375 USD
View
B
Retailer 16
-
$31,919 AUD
$22,369 USD
View
Most Expensive
B
Taylor and Hart
E7BZ2N4 · Oct 31
$39,174 AUD
$27,454 USD
View
16 more retailers have this diamond
Prices start from $9,209 AUDSave up to $29,965 AUD

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
16.74ct Heart
$9,209 AUD