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1.97ct D SI1 Round Lab Grown Diamond

EX • D/SI1 • IGI LG678584407

Shape and cutting style on the report: Round brilliant

Certificate IGI LG678584407

Diamond specifications and retailer prices

From HK$2,087 HKD
$266 USD
As of November 1, 2026
Save HK$8,505 HKD (80%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: HK$10,592 HKD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.97ct lab-grown round diamond

This 1.97ct lab-grown round sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG678584407 or 678584407. Listed at 17 retailers as of October 31, 2026, with prices from HK$2,087 to HK$10,592, a HK$8,505 spread on the same certified stone. Brilliant Earth lists it at HK$10,592. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.97
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle34.6°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG678584407
Dimensions8.15 × 8.06 × 4.82 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.15 mm8.06 mm1.97 ctD / SI1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG678584407
Side View
Table 61.0%Crown 34.6°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 59.4%

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 1
Current: HK$10,592 HKD|Low: HK$2,087 HKD|High: HK$10,960 HKD|Avg: HK$5,605 HKD
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
Retailer 16
November 1, 2026
Retailer 14HK$2,087 HKD
Retailer 8HK$2,338 HKD
Retailer 7HK$2,424 HKD
Retailer 6HK$2,589 HKD
Retailer 16HK$3,491 HKD
Retailer 3HK$3,844 HKD
Retailer 10HK$4,035 HKD
Retailer 15HK$4,794 HKD
Retailer 12HK$4,819 HKD
Retailer 11HK$4,909 HKD
Retailer 4HK$5,586 HKD
Retailer 13HK$6,567 HKD
Retailer 5HK$8,324 HKD
Retailer 9HK$8,944 HKD
Retailer 2HK$10,373 HKD
Brilliant EarthHK$10,592 HKD

35 data points across 16 retailers

17 retailersHK$2,087 HKD to HK$10,592 HKD

A
Cheapest Retailer
-
HK$2,087 HKD
$266 USD
A
Retailer 2
-
HK$2,338 HKD
$298 USD
View
Final sale: no returns
A
Retailer 3
-
HK$2,424 HKD
$309 USD
View
A
Retailer 4
-
HK$2,589 HKD
$330 USD
View
Retailer 5
-
HK$2,707 HKD
$345 USD
View
Price last confirmed 7 days ago
B+
Retailer 6
-
HK$3,491 HKD
$445 USD
View
A
Retailer 7
-
HK$3,844 HKD
$490 USD
View
A
Retailer 8
-
HK$4,035 HKD
£405 GBP
View
B+
Retailer 9
-
HK$4,794 HKD
$611 USD
View
B+
Retailer 10
-
HK$4,819 HKD
€585 EUR
View
B+
Retailer 11
-
HK$4,909 HKD
£493 GBP
View
B+
Retailer 12
-
HK$5,586 HKD
$712 USD
View
B+
Retailer 13
-
HK$6,567 HKD
$837 USD
View
B
Retailer 14
-
HK$8,324 HKD
$1,061 USD
View
B
Retailer 15
-
HK$8,944 HKD
$1,140 USD
View
B
Retailer 16
-
HK$10,373 HKD
£1,041 GBP
View
Most Expensive
B
Brilliant Earth
17470283A · Oct 31
HK$10,592 HKD
$1,350 USD
View
16 more retailers have this diamond
Prices start from HK$2,087 HKDSave up to HK$8,505 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
1.97ct Round
HK$2,087 HKD