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Heart|Lab Grown|IGI

1.67ct D VS1 Heart Lab Grown Diamond

ID • D/VS1 • IGI LG678529177

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG678529177

Diamond specifications and retailer prices

From $502 NZD
$283 USD
As of October 30, 2026
Save $2,182 NZD (81%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $2,685 NZD at Blue Nile · As of October 31, 2026
View at Blue Nile

About this 1.67ct lab-grown heart diamond

This 1.67ct lab-grown heart sits in the one-and-a-half to two carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG678529177 or 678529177. Listed at 22 retailers as of October 30, 2026, with prices from $502 to $2,685, a $2,182 spread on the same certified stone. Blue Nile lists it at $2,685. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.67
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG678529177
Dimensions7.56 × 8.20 × 4.84 mm
L/W Ratio1.08
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.56 mm8.20 mm1.67 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG678529177
Side View
Table 57.0%Crown 34.3°Girdle: MED-STKPavilion 39.1°Culet: NoneDepth 59.0%

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 30
Current: $2,685 NZD|Low: $495 NZD|High: $3,176 NZD|Avg: $1,416 NZD
Blue Nile
Retailer 2
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Retailer 21
Retailer 22
November 2, 2026
Retailer 3$502 NZD
Retailer 11$561 NZD
Retailer 7$582 NZD
Retailer 5$623 NZD
Retailer 6$623 NZD
Retailer 22$697 NZD
Retailer 17$852 NZD
Retailer 16$932 NZD
Retailer 14$1,027 NZD
Retailer 13$1,074 NZD
Retailer 2$1,100 NZD
Retailer 10$1,127 NZD
Retailer 9$1,230 NZD
Retailer 19$1,449 NZD
Retailer 20$1,914 NZD
Retailer 4$2,003 NZD
Retailer 12$2,092 NZD
Retailer 8$2,397 NZD
Retailer 18$2,510 NZD
Retailer 15$2,589 NZD
Retailer 21$2,679 NZD
Blue Nile$2,685 NZD

36 data points across 22 retailers

22 retailers$502 NZD to $2,685 NZD

A
Cheapest Retailer
-
$502 NZD
$283 USD
A
Retailer 2
-
$561 NZD
$316 USD
View
Final sale: no returns
A
Retailer 3
-
$582 NZD
$328 USD
View
A
Retailer 4
-
$623 NZD
$351 USD
View
Retailer 5
-
$623 NZD
$351 USD
View
Price last confirmed 8 days ago
Retailer 6
-
$697 NZD
£309 GBP
View
Price last confirmed 16 days ago
A
Retailer 7
-
$852 NZD
$480 USD
View
A
Retailer 8
-
$932 NZD
€500 EUR
View
B+
Retailer 9
-
$1,027 NZD
$579 USD
View
B+
Retailer 10
-
$1,074 NZD
ZAR 9,780 ZAR
View
B+
Retailer 11
-
$1,100 NZD
£488 GBP
View
B+
Retailer 12
-
$1,127 NZD
$635 USD
View
B+
Retailer 13
-
$1,230 NZD
$693 USD
View
B+
Retailer 14
-
$1,449 NZD
A$1,256 AUD
View
B
Retailer 15
-
$1,914 NZD
$1,079 USD
View
B
Retailer 16
-
$2,003 NZD
$1,129 USD
View
B
Retailer 17
-
$2,092 NZD
$1,179 USD
View
B
Retailer 18
-
$2,397 NZD
$1,351 USD
View
B
Retailer 19
-
$2,510 NZD
£1,114 GBP
View
B
Retailer 20
-
$2,589 NZD
$1,459 USD
View
B
Retailer 21
-
$2,679 NZD
$1,510 USD
View
Most Expensive
B
Blue Nile
25258156 · Oct 31
$2,685 NZD
$1,513 USD
View
21 more retailers have this diamond
Prices start from $502 NZDSave up to $2,182 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
1.67ct Heart
$502 NZD