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Heart|Lab Grown|IGI

1.66ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG825660136

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG825660136

Diamond specifications and retailer prices

From HK$5,532 HKD
$705 USD
As of November 2, 2026
Save HK$31,141 HKD (85%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: HK$36,673 HKD at With Clarity · As of November 2, 2026
View at With Clarity

About this 1.66ct lab-grown heart diamond

This 1.66ct lab-grown heart sits in the one-and-a-half to two carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG825660136 or 825660136. Listed at 19 retailers as of November 2, 2026, with prices from HK$5,532 to HK$36,673, a HK$31,141 spread on the same certified stone. With Clarity lists it at HK$36,673. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.66
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825660136
Dimensions8.05 × 7.24 × 4.93 mm
L/W Ratio1.11
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
8.05 mm7.24 mm1.66 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825660136
Side View
Table 64.0%Crown 35°Girdle: MED-STKPavilion 41.3°Culet: NoneDepth 61.2%

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: HK$10,277 HKD|Low: HK$5,532 HKD|High: HK$41,663 HKD|Avg: HK$16,284 HKD|-20.1%
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
Retailer 17
Retailer 18
With Clarity
November 3, 2026
Retailer 15HK$5,532 HKD
Retailer 6HK$6,096 HKD
Retailer 3HK$6,504 HKD
Retailer 8HK$6,755 HKD
Retailer 9HK$7,195 HKD
Retailer 17HK$7,885 HKD
Retailer 7HK$8,427 HKD
Retailer 1HK$10,277 HKD
Retailer 5HK$10,490 HKD
Retailer 18HK$10,561 HKD
Retailer 13HK$11,949 HKD
Retailer 14HK$14,774 HKD
Retailer 4HK$18,281 HKD
Retailer 11HK$21,161 HKD
Retailer 2HK$22,420 HKD
Retailer 12HK$25,180 HKD
Retailer 10HK$25,779 HKD
Retailer 16HK$31,306 HKD
With ClarityHK$36,673 HKD

37 data points across 19 retailers

19 retailersHK$5,532 HKD to HK$36,673 HKD

A
Cheapest Retailer
-
HK$5,532 HKD
$705 USD
A
Retailer 2
-
HK$6,096 HKD
$777 USD
View
A
Retailer 3
-
HK$6,504 HKD
$829 USD
View
Retailer 4
-
HK$6,755 HKD
$861 USD
View
Price last confirmed 16 days ago
A
Retailer 5
-
HK$7,195 HKD
$917 USD
View
Final sale: no returns
A
Retailer 6
-
HK$7,885 HKD
$1,005 USD
View
A
Retailer 7
-
HK$8,427 HKD
$1,074 USD
View
A
Retailer 8
-
HK$10,277 HKD
£1,031 GBP
View
B+
Retailer 9
-
HK$10,490 HKD
$1,337 USD
View
B+
Retailer 10
-
HK$10,561 HKD
$1,346 USD
View
B+
Retailer 11
-
HK$11,949 HKD
ZAR 24,602 ZAR
View
B+
Retailer 12
-
HK$14,774 HKD
$1,883 USD
View
B+
Retailer 13
-
HK$18,281 HKD
$2,330 USD
View
B+
Retailer 14
-
HK$21,161 HKD
$2,697 USD
View
B
Retailer 15
-
HK$22,420 HKD
$2,857 USD
View
B
Retailer 16
-
HK$25,180 HKD
£2,527 GBP
View
B
Retailer 17
-
HK$25,779 HKD
SGD 4,440 SGD
View
B
Retailer 18
-
HK$31,306 HKD
$3,990 USD
View
Most Expensive
B
With Clarity
825660136 · Nov 2
HK$36,673 HKD
$4,674 USD
View
18 more retailers have this diamond
Prices start from HK$5,532 HKDSave up to HK$31,141 HKD

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
1.66ct Heart
HK$5,532 HKD