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Round|Lab Grown|IGI

1.89ct D SI1 Round Lab Grown Diamond

ID • D/SI1 • IGI LG758560174

Shape and cutting style on the report: Round brilliant

Certificate IGI LG758560174

Diamond specifications and retailer prices

From $318 SGD
$248 USD
As of October 26, 2026
Save $1,310 SGD (80%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,628 SGD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.89ct lab-grown round diamond

This 1.89ct 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 LG758560174 or 758560174. Listed at 19 retailers as of October 26, 2026, with prices from $318 to $1,628, a $1,310 spread on the same certified stone. Brilliant Earth lists it at $1,628. 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

1.89
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG758560174
Dimensions7.92 × 7.88 × 4.91 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
7.92 mm7.88 mm1.89 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG758560174
Side View
Table 57.0%Crown 34.9°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.1%

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 26
Current: $1,628 SGD|Low: $315 SGD|High: $1,670 SGD|Avg: $838 SGD
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
Retailer 17
Retailer 18
Retailer 19
October 29, 2026
Retailer 6$318 SGD
Retailer 19$355 SGD
Retailer 18$368 SGD
Retailer 3$393 SGD
Retailer 16$443 SGD
Retailer 11$615 SGD
Retailer 13$615 SGD
Retailer 2$623 SGD
Retailer 7$660 SGD
Retailer 10$733 SGD
Retailer 14$742 SGD
Retailer 5$798 SGD
Retailer 17$860 SGD
Retailer 4$993 SGD
Retailer 8$1,237 SGD
Retailer 12$1,260 SGD
Retailer 9$1,265 SGD
Retailer 15$1,581 SGD
Brilliant Earth$1,628 SGD

35 data points across 19 retailers

19 retailers$318 SGD to $1,628 SGD

A
Cheapest Retailer
-
$318 SGD
$248 USD
A
Retailer 2
-
$355 SGD
$277 USD
View
Final sale: no returns
A
Retailer 3
-
$368 SGD
$287 USD
View
A
Retailer 4
-
$393 SGD
$307 USD
View
A
Retailer 5
-
$443 SGD
HK$2,700 HKD
View
A
Retailer 6
-
$615 SGD
$480 USD
View
Price last confirmed 10 days ago
A
Retailer 7
-
$615 SGD
£378 GBP
View
A
Retailer 8
-
$623 SGD
€463 EUR
View
B+
Retailer 9
-
$660 SGD
$515 USD
View
A
Retailer 10
-
$733 SGD
$572 USD
View
A
Retailer 11
-
$742 SGD
£456 GBP
View
B+
Retailer 12
-
$798 SGD
A$958 AUD
View
B+
Retailer 13
-
$860 SGD
$671 USD
View
B+
Retailer 14
-
$993 SGD
$775 USD
View
B+
Retailer 15
-
$1,237 SGD
$965 USD
View
B+
Retailer 16
-
$1,260 SGD
View
B+
Retailer 17
-
$1,265 SGD
$987 USD
View
B
Retailer 18
-
$1,581 SGD
£971 GBP
View
Most Expensive
B
Brilliant Earth
21805874A · Oct 29
$1,628 SGD
$1,270 USD
View
18 more retailers have this diamond
Prices start from $318 SGDSave up to $1,310 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
1.89ct Round
$318 SGD