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Oval|Lab Grown|IGI

1.70ct I SI1 Oval Lab Grown Diamond

ID • I/SI1 • IGI LG451057941

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG451057941

Diamond specifications and retailer prices

From HK$7,375 HKD
$940 USD
As of October 31, 2026
Save HK$30,907 HKD (81%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$38,282 HKD at MOH London · As of October 29, 2026
View at MOH London

About this 1.7ct lab-grown oval diamond

This 1.7ct lab-grown oval sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG451057941 or 451057941. Listed at 12 retailers as of October 29, 2026, with prices from HK$7,375 to HK$38,282, a HK$30,907 spread on the same certified stone. MOH London lists it at HK$38,282. 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

1.70
Carat
I
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG451057941
Dimensions9.55 × 6.73 × 4.20 mm
L/W Ratio1.42
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
9.55 mm6.73 mm1.70 ctI / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG451057941
Side View
Table 57.5%Crown 36°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.4%

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: Oct 31
Current: HK$38,282 HKD|Low: HK$7,375 HKD|High: HK$38,581 HKD|Avg: HK$19,202 HKD|+0.5%
MOH London
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
November 1, 2026
Retailer 8HK$7,375 HKD
Retailer 7HK$11,494 HKD
Retailer 12HK$12,506 HKD
Retailer 13HK$12,859 HKD
Retailer 9HK$13,330 HKD
Retailer 14HK$13,330 HKD
Retailer 4HK$14,671 HKD
Retailer 5HK$18,147 HKD
Retailer 2HK$19,035 HKD
Retailer 10HK$21,019 HKD
Retailer 3HK$24,196 HKD
Retailer 11HK$24,989 HKD
Retailer 6HK$38,172 HKD
MOH LondonHK$38,282 HKD

40 data points across 14 retailers

12 retailersHK$7,375 HKD to HK$38,282 HKD

A
Cheapest Retailer
-
HK$7,375 HKD
$940 USD
B+
Retailer 2
-
HK$11,494 HKD
$1,465 USD
View
B+
Retailer 3
-
HK$12,506 HKD
$1,594 USD
View
B+
Retailer 4
-
HK$12,859 HKD
$1,639 USD
View
Final sale: no returns
Retailer 5
-
HK$13,330 HKD
$1,699 USD
View
Price last confirmed 19 days ago
B+
Retailer 6
-
HK$13,330 HKD
$1,699 USD
View
B+
Retailer 7
-
HK$14,671 HKD
$1,870 USD
View
B+
Retailer 8
-
HK$19,035 HKD
£1,910 GBP
View
B
Retailer 9
-
HK$21,019 HKD
$2,679 USD
View
B
Retailer 10
-
HK$24,196 HKD
$3,084 USD
View
B
Retailer 11
-
HK$24,989 HKD
$3,185 USD
View
Most Expensive
B
MOH London
LG451057941 · Oct 29
HK$38,282 HKD
£3,842 GBP
View
11 more retailers have this diamond
Prices start from HK$7,375 HKDSave up to HK$30,907 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
1.70ct Oval
HK$7,375 HKD