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 $362 SGD
$283 USD
As of October 30, 2026
Save $1,572 SGD (81%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $1,934 SGD 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 $362 to $1,934, a $1,572 spread on the same certified stone. Blue Nile lists it at $1,934. 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

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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 30
Current: $1,934 SGD|Low: $357 SGD|High: $2,288 SGD|Avg: $1,015 SGD
Blue Nile
Retailer 2
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Retailer 22
October 31, 2026
Retailer 3$362 SGD
Retailer 11$404 SGD
Retailer 7$419 SGD
Retailer 5$449 SGD
Retailer 6$449 SGD
Retailer 22$502 SGD
Retailer 16$614 SGD
Retailer 2$671 SGD
Retailer 14$740 SGD
Retailer 19$771 SGD
Retailer 13$792 SGD
Retailer 10$812 SGD
Retailer 9$886 SGD
Retailer 18$1,044 SGD
Retailer 20$1,379 SGD
Retailer 4$1,443 SGD
Retailer 12$1,507 SGD
Retailer 8$1,727 SGD
Retailer 17$1,809 SGD
Retailer 15$1,865 SGD
Retailer 21$1,930 SGD
Blue Nile$1,934 SGD

35 data points across 22 retailers

22 retailers$362 SGD to $1,934 SGD

A
Cheapest Retailer
-
$362 SGD
$283 USD
A
Retailer 2
-
$404 SGD
$316 USD
View
Final sale: no returns
A
Retailer 3
-
$419 SGD
$328 USD
View
A
Retailer 4
-
$449 SGD
$351 USD
View
A
Retailer 5
-
$449 SGD
$351 USD
View
Retailer 6
-
$502 SGD
£309 GBP
View
Price last confirmed 15 days ago
A
Retailer 7
-
$614 SGD
$480 USD
View
A
Retailer 8
-
$671 SGD
€500 EUR
View
B+
Retailer 9
-
$740 SGD
$579 USD
View
B+
Retailer 10
-
$771 SGD
ZAR 9,745 ZAR
View
B+
Retailer 11
-
$792 SGD
£488 GBP
View
B+
Retailer 12
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$812 SGD
$635 USD
View
B+
Retailer 13
-
$886 SGD
$693 USD
View
B+
Retailer 14
-
$1,044 SGD
A$1,256 AUD
View
B
Retailer 15
-
$1,379 SGD
$1,079 USD
View
B
Retailer 16
-
$1,443 SGD
$1,129 USD
View
B
Retailer 17
-
$1,507 SGD
$1,179 USD
View
B
Retailer 18
-
$1,727 SGD
$1,351 USD
View
B
Retailer 19
-
$1,809 SGD
£1,114 GBP
View
B
Retailer 20
-
$1,865 SGD
$1,459 USD
View
B
Retailer 21
-
$1,930 SGD
$1,510 USD
View
Most Expensive
B
Blue Nile
25258156 · Oct 31
$1,934 SGD
$1,513 USD
View
21 more retailers have this diamond
Prices start from $362 SGDSave up to $1,572 SGD

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
$362 SGD