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Round|Lab Grown|IGI

1.91ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG817693378

Shape and cutting style on the report: Round brilliant

Certificate IGI LG817693378

Diamond specifications and retailer prices

From HK$8,136 HKD
$1,037 USD
As of October 29, 2026
Save HK$38,389 HKD (83%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: HK$46,525 HKD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.91ct lab-grown round diamond

This 1.91ct lab-grown round 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 LG817693378 or 817693378. Listed at 21 retailers as of October 29, 2026, with prices from HK$8,136 to HK$46,525, a HK$38,389 spread on the same certified stone. Brilliant Earth lists it at HK$46,525. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.91
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG817693378
Dimensions8.05 × 8.11 × 4.87 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
HEARTS & ARROWS 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 mm8.11 mm1.91 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG817693378
Side View
Table 57.0%Crown 33°Girdle: THN-MEDPavilion 40.8°Culet: NoneDepth 60.3%

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 29
Current: HK$46,525 HKD|Low: HK$7,806 HKD|High: HK$50,448 HKD|Avg: HK$19,415 HKD|-7.6%
Brilliant Earth
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
October 30, 2026
Retailer 14HK$8,136 HKD
Retailer 5HK$8,850 HKD
Retailer 7HK$9,109 HKD
Retailer 15HK$9,438 HKD
Retailer 13HK$10,788 HKD
Retailer 2HK$13,610 HKD
Retailer 3HK$15,056 HKD
Retailer 9HK$15,076 HKD
Retailer 8HK$17,348 HKD
Retailer 6HK$17,692 HKD
Retailer 12HK$27,538 HKD
Retailer 11HK$27,876 HKD
Retailer 4HK$31,665 HKD
Retailer 10HK$32,054 HKD
Brilliant EarthHK$46,525 HKD

39 data points across 15 retailers

21 retailersHK$8,136 HKD to HK$46,525 HKD

A
Cheapest Retailer
-
HK$8,136 HKD
$1,037 USD
A
Retailer 2
-
HK$8,850 HKD
$1,128 USD
View
A
Retailer 3
-
HK$9,109 HKD
$1,161 USD
View
Final sale: no returns
Retailer 4
-
HK$9,438 HKD
$1,203 USD
View
Price last confirmed 13 days ago
A
Retailer 5
-
HK$9,438 HKD
$1,203 USD
View
B+
Retailer 6
-
HK$10,788 HKD
$1,375 USD
View
B+
Retailer 7
-
HK$10,946 HKD
View
B+
Retailer 8
-
HK$13,393 HKD
$1,707 USD
View
B+
Retailer 9
-
HK$13,610 HKD
£1,366 GBP
View
B+
Retailer 10
-
HK$15,056 HKD
$1,919 USD
View
B+
Retailer 11
-
HK$15,076 HKD
€1,830 EUR
View
B+
Retailer 12
-
HK$17,348 HKD
ZAR 35,722 ZAR
View
B+
Retailer 13
-
HK$17,692 HKD
$2,255 USD
View
B
Retailer 14
-
HK$19,724 HKD
$2,514 USD
View
B
Retailer 15
-
HK$27,538 HKD
$3,510 USD
View
B
Retailer 16
-
HK$27,876 HKD
$3,553 USD
View
B
Retailer 17
-
HK$30,320 HKD
$3,865 USD
View
B
Retailer 18
-
HK$31,665 HKD
SGD 5,454 SGD
View
B
Retailer 19
-
HK$32,054 HKD
£3,217 GBP
View
B
Retailer 20
-
HK$32,936 HKD
$4,198 USD
View
Most Expensive
B
Brilliant Earth
20860275A · Oct 30
HK$46,525 HKD
$5,930 USD
View
20 more retailers have this diamond
Prices start from HK$8,136 HKDSave up to HK$38,389 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
1.91ct Round
HK$8,136 HKD