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Round|Lab Grown|GIA

0.70ct H SI2 Round Lab Grown Diamond

EX • H/SI2

Diamond specifications and retailer prices

From $225 AUD
$158 USD
As of October 31, 2026
Save $1,461 AUD (87%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $1,686 AUD at Blue Nile · As of October 31, 2026
View at Blue Nile

About this 0.7ct lab-grown round diamond

This 0.7ct lab-grown round sits in the half to three-quarter carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA. Listed at 4 retailers as of October 31, 2026, with prices from $225 to $1,686, a $1,461 spread on the same certified stone. Blue Nile lists it at $1,686. 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

0.70
Carat
H
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabGIA
Dimensions5.73 × 5.75 × 3.51 mm
L/W Ratio1.00
Top View
5.73 mm5.75 mm0.70 ctH / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA
Side View
Table 58.0%CrownGirdle: THN - STKPavilionCulet: NDepth 60.8%

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: $1,686 AUD|Low: $225 AUD|High: $2,914 AUD|Avg: $1,448 AUD
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 31, 2026
Retailer 2$225 AUD
Retailer 4$427 AUD
Retailer 5$547 AUD
Retailer 6$1,260 AUD
Retailer 3$1,264 AUD
Retailer 7$1,637 AUD
Blue Nile$1,686 AUD
Retailer 8$1,950 AUD
Retailer 9$2,914 AUD

3 data points across 9 retailers

4 retailers$225 AUD to $1,686 AUD

A
Cheapest Retailer
-
$225 AUD
$158 USD
Retailer 2
-
$427 AUD
$300 USD
View
Price last confirmed 37 days ago
B
Retailer 3
-
$1,264 AUD
$888 USD
View
Most Expensive
B
Blue Nile
30537448 · Oct 31
$1,686 AUD
$1,184 USD
View
3 more retailers have this diamond
Prices start from $225 AUDSave up to $1,461 AUD

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
0.70ct Round
$225 AUD